Discover our tutors in your city and overseas

45421 tutors available

Excellent (4.7)

1.9 million student reviews

The list of tutors

Silva

Manchester, United Kingdom (online)

Medical student offering biology and physiology lessons up to university level in london

S$26/h
1^st lesson free

Adelia

Montréal, Canada (online)

I am a physiotherapy student who will give biology and anatomy courses to students in montreal.

S$14/h
1^st lesson free

Hannah

Birmingham, United Kingdom (online)

A final year medical student offering biology and chemistry lessons to an a level standard.

S$35/h
1^st lesson free

Gauri

Mumbai, India (face-to-face &online)

Working in a reputed igcse/ib school. along with home/private tutions for md/igcse/ icse/ cbse/ ssc. keen on teaching grades 1 to 10. also taking tutions of all subjects of the cbse & ssc board.

S$16/h
1^st lesson free

Navid

Wooburn Green, United Kingdom (online)

Medical student offering biology, chemistry and medical sciences for all levels, passionate about personalised learning based on your preferred learning style!

S$17/h
1^st lesson free

Zainab

Edinburgh, United Kingdom (online)

Hi. i am a medical student willing to offer lessons in basic sciences.

S$17/h
1^st lesson free

Sravani

Hyderabad, India (face-to-face &online)

Am a post graduate student in the field of msc forensic science at osmania university hyderabad. can teach biology, maths , social and languages upto tenth standard

S$4/h
1^st lesson free

Jennifer

Miami, United States (face-to-face &online)

4th year optometry student offering biology, physics, and math related tutoring lessons

S$13/h
1^st lesson free

Raghu

New Delhi, India (face-to-face &online)

Medical school graduate passionate about teaching biology (human anatomy, physiology, microbiology and molecular biology) in new delhi

S$2/h
1^st lesson free

Peace

Liverpool, United Kingdom (face-to-face &online)

Medical student who would love to teach science to young people in liverpool. i have gcse and ib qualifications in this subject area.

S$40/h
1^st lesson free

Zeenia

Carshalton, United Kingdom (online)

4th year medical student offering, biology and chemistry lessons up to univeristy level online, in the comfort of your home.

S$26/h
1^st lesson free

Shweta

Kanpur, India (face-to-face &online)

I am specialist of biology and belongs from kanpur, neet qualified.

S$9/h
1^st lesson free

Mohammad

Montréal, Canada (face-to-face &online)

Very enthusiastic tutor with many years of teaching biology and genetics subjects in montreal

S$18/h
1^st lesson free

Nadia

Bengaluru, India (online)

Doctor well versed in teaching other budding medicos and students aspiring to join medical field.

S$8/h
1^st lesson free

Melissa

Bloemfontein, South Africa (face-to-face &online)

Graduate in forensic science teaching classes for high school students up to matric. i teach in bloemfontein.

S$8/h
1^st lesson free

Jessica

Liverpool, United Kingdom (face-to-face &online)

Biology degree student, with 10 gcses a*-a including all three sciences, maths and english. along with 3 a levels in biology, chemistry and psychology

S$17/h
1^st lesson free

Daniel

London, United Kingdom (face-to-face &online)

Fourth year medical student offering biology tutoring in london at a level and below

S$60/h
1^st lesson free

Manvee

Noida, India (face-to-face &online)

I am graduated in medical imaging and technology students who requires help in biology and chemistry can take my help

S$3/h
1^st lesson free

Kaviya

Coimbatore, India (online)

Research scholar in microbiology and can teach all aspects of science in perfect way

S$7/h
1^st lesson free

Imran

Belfast, United Kingdom (face-to-face &online)

I am medical doctor plus scientist (biomedical science) - learning made easy :)

S$43/h
1^st lesson free

Parithi

Edinburgh, United Kingdom (face-to-face &online)

Human biology student offering biology and chemistry courses nat 5 higher or college level.

S$35/h
1^st lesson free

Dr dipti

Mira Bhayandar, India (online)

Physiotherapy graduate from mumbai can take tuitions for any medical student requiring help in learning anatomy and biomechanics

S$8/h
1^st lesson free

Pathsarthak saxena

Makka Wala, India (face-to-face &online)

I'm a b.pharm final year student. and i love to teach biology

S$5/h
1^st lesson free

Anusree

Pathanamthitta, India (online)

Professional providing classes for all academic subjects for classes 5 to 10

S$11/h
1^st lesson free

Anjali

Ahmedabad, India (online)

Dental doctor willing to give all subject lectures up till class 12 and also biology lectures for higher studies.

S$2/h
1^st lesson free

Asavela

Tembisa, South Africa (face-to-face &online)

Recent biomedical sciences graduate offering physics and human biology lessons in johannesburg

S$12/h
1^st lesson free

Elmi

Hove, United Kingdom (face-to-face &online)

First class biomedical sciences graduate with experience as a university teaching assistant, bio-tech researcher and has a passion for teaching!

S$43/h
1^st lesson free

Aqsa

Grays, United Kingdom (online)

Science teacher offering botany, zoology and chemistry lessons in uk, spreading knowledge

S$17/h
1^st lesson free

Amanda

St. Catharines, Canada (face-to-face &online)

College instructor and health provider with 20 yrs experience tutors student with body and health related questions.

S$18/h
1^st lesson free

Ashiqhussain

Amravati, India (online)

I can teach 11th 12th and neet biology more specifically botany. i can also teach csir net life science plant physiology, cell and molecular biology.

S$8/h
1^st lesson free

Anam

Bhopal, India (face-to-face &online)

I am a medical student interested in giving private tutions in biology and all subjects as well for good and guaranteed academic as well as competitive (neet) result and i also do student counseling f

S$13/h
1^st lesson free

Vani

Bengaluru, India (online)

Research scientist in one of the pharma company and teaching is my passion.giving turions to 1 to 12 standard biology

S$2/h
1^st lesson free

Ishira

Kingston, Canada (face-to-face &online)

Biology undergrad student giving biology, english and math lessons for high school students in kingston, ontario

S$14/h
1^st lesson free

Pavitra

Gwalior, India (online)

A positions as an active employee, involving responsibility and working with others as a team member to achieve advancement and growth for the company.

S$5/h
1^st lesson free

Prerna

, India (online)

Hello !! anyone here to understand anatomy not just merely crammup are welcome !!

S$4/h
1^st lesson free

Utkarsh

Dehradun, India (face-to-face &online)

Preparing for upsc . gives tution in science and maths for more than 2 years

S$7/h
1^st lesson free

Nicole

Sarnia, Canada (face-to-face &online)

Newly graduated medical doctor tutoring biology to high school/college students in sarnia

S$28/h
1^st lesson free

Mohammed

Birmingham, United Kingdom (face-to-face &online)

Biology subject i am passionate. bachlors degree anatomy/physiology/ post grad diploma in public health and health promotion (manchester uni), health studies (city uni birmingham) diploma in educat up

S$26/h
1^st lesson free

Divye

Bijnor, India (online)

Student of biotechnology gives you tips to score high in biology of class 10th & 12th.

S$8/h
1^st lesson free

Charlotte

Sheffield, United Kingdom (online)

A human biology student doing a year long research placement in sheffield, and offering biology lessons

S$16/h
1^st lesson free

Sakshi

New Delhi, India (online)

I want to be a part of an organization where there is an ample scope to grow with challenging assignments to tap my potentials to the fullest capacity, to orchestrate winning performance with even mos

S$6/h
1^st lesson free

Elizabeth

Rajkot, India (face-to-face &online)

A student in pharmacy gives tution in language, biology,chemistry and maths in rajkot

S$12/h
1^st lesson free

Loulya

Cardiff, United Kingdom (online)

Physiotherapy student in cardiff offering biology tutoring up to ib/high school level

S$21/h
1^st lesson free

Sanath

, India (face-to-face &online)

Medical final year student,well versed in teaching and good academic skills and past experience of training students for competitive exams

S$4/h
1^st lesson free

Samjhana

Toronto, Canada (online)

Molecular biology student gives biology classes to high school students in toronto

S$16/h
1^st lesson free

Dhairya

Brampton, Canada (face-to-face &online)

5 (1 review)
New

Ib (international baccalaureate) student with 95%+ average gives lessons in biology up to grade 12. currently teaching in brampton, on, more specifically the castlemore area.

S$14/h
1^st lesson free

Pari

Regina, Canada (face-to-face &online)

Biology gives you a brain and life turns it into a mind! & biology tutor makes the life perfect by teaching and giving the knowledge to brain!

S$13/h
1^st lesson free

Shiden

London, United Kingdom (face-to-face &online)

Passionate phd student in neuroscience. very enthusiastic in sharing and transferring knowledge.

S$43/h
1^st lesson free

Nisha

Leeds, United Kingdom (online)

3rd year biomedical science student offending biology and maths tutoring from leeds

S$17/h
1^st lesson free

Shanik

London, United Kingdom (face-to-face &online)

London based, top 10 biomedical sciences undergraduate available for human biology tutoring

S$16/h
1^st lesson free

Nazrana anjum

, India (online)

I am seeking a challenging position in a developing institution where i can put to use my knowledge and experience and also grow in knowledge and at a personal level.

S$5/h
1^st lesson free

Jordyn

Owensboro, United States (online)

Biology chemistry pre medical student with experience at nasa in biological studies

S$13/h
1^st lesson free

Anastasia

London, United Kingdom (face-to-face &online)

University college london biomedical sciences student offering ib/a - level biology exam preparation

S$35/h
1^st lesson free

Jayashree

Kolkata, India (online)

Took part in the science fair in 2008 and became first on the topic “globalization of deglobal warming”.

S$5/h
1^st lesson free

Sumi v h

, India (online)

Seeking a suitable position in accordance with my professional qualification & skills gained over the years to the full extends for developments, there by contributing to the overall growth and profit

S$5/h
1^st lesson free

Mahalakshmit

Arakkonam, India (online)

Attentive secondary school biology teacher with excellent communication skills organized and driven with the innate ability to stay on task. uses effective and efficient methods of teaching.

S$5/h
1^st lesson free

Shyna

Perinad, India (online)

I do hereby declare that all the above details provided by me are true to my knowledge.

S$5/h
1^st lesson free

Sarekha

Delhi, India (online)

Creative and resourceful teacher with proven ability to enhance students’ performance, offering ten years of varied instructional experience. possess a positive and effective teaching style with the w

S$7/h
1^st lesson free

Spadmapriya

Tamil Nadu, India (online)

B.ed - sriaadhisankarar college of education affiliated to tamilnadu teachers education university, chennai. (biological science, english).

S$6/h
1^st lesson free

Dhruvi

Pune, India (online)

A dentist studying for masters giving tuition in biology from middle school to college.

S$10/h
1^st lesson free

John

Nottingham, United Kingdom (face-to-face &online)

Experienced biology teacher offering tuitions to students up to a-lavel in nottingham and near-by.

S$17/h
1^st lesson free

Jae

New Orleans, United States (face-to-face &online)

I'm a recent medical school graduate with biology degree at your service

S$15/h
1^st lesson free

Beth

Exeter, United Kingdom (face-to-face &online)

Second-year radiography student offering biology tutoring online, or at home in exeter.

S$19/h
1^st lesson free

Shruti

London, United Kingdom (face-to-face &online)

Secondary school science and biology teacher gives lessons at the agreed place

S$52/h
1^st lesson free

Alexandria

Columbia, United States (online)

High school theatre student with love for everything environmental and ocean wise!

S$14/h
1^st lesson free

Ania

Edinburgh, United Kingdom (face-to-face &online)

A bsc biotechnology student offering biology and biology-related lessons in edinburgh

S$17/h
1^st lesson free

Babatunde

Kansas City, United States (online)

A doctor (m.d), microbiologist (b.sc microbiology), certified esl tutor and musician with at least 3years experience.

S$25/h
1^st lesson free

Omprakash

Bhopal, India (online)

Im teacher with best skills..free demo for authentication..i belive in depth knowledge delivery..

S$2/h
1^st lesson free

Muniba

Kolkata, India (face-to-face &online)

A student of botanay and preparing for neet is giving tuitions for biology from classes 6 to 12 in kolkata.

S$4/h
1^st lesson free

Ramya

Hyderabad, India (face-to-face &online)

Biology, zoology, social studies, environmental science. wanted to teach in hyderabad. and i am from a science background complete my b.pharmacy

S$9/h
1^st lesson free

Nicole

Oxenford, Australia (online)

Highly experienced genetics bachelor student to provide tutoring throughout gold coast, australia

S$14/h
1^st lesson free

Ummen

Mississauga, Canada (online)

Teaching high school biology lessons online, with prepared lessons and notes included.

S$13/h
1^st lesson free

Maria laura

London, United Kingdom (face-to-face &online)

Master graduate with extensive teaching experience provides biology, anatomy, and psychology lessons in london

S$17/h
1^st lesson free

Ulfat

Reading, United Kingdom (online)

Ulfat fatima: biological studies, science models and research work, university of gujrat pakistan.

S$16/h
1^st lesson free

Belinda

Randburg, South Africa (online)

Mature and patient educator who enjoys teaching all subjects especially biology. based in gauteng.

S$12/h
1^st lesson free

Ryan

Acton, Australia (face-to-face &online)

Anu medical student gives advice of biology around acton and the canberra cbd

S$41/h
1^st lesson free

Siddaraju k s

KM Doddi, India (online)

 to be very sincere and disciplined towards work assigned to me and will try to look ahead with my efforts.

S$7/h
1^st lesson free

Chanda

Hyderabad, India (face-to-face &online)

Will provide classes of any subject at high school and intermediate students and biology, anatomy and physiology, pharmacology and other pharmacy-related subjects.

S$7/h
1^st lesson free

Lathesha

Pinner, United Kingdom (face-to-face &online)

Neuroscience student who offers biology lessons in london with tutoring experience of 6 years.

S$52/h
1^st lesson free

Bhaskar

Kolkata, India (face-to-face &online)

Start your biology for neet and board exam from very basic to advance.

S$2/h
1^st lesson free

Shivangi

Faridabad, India (online)

• to pursue a highly rewarding career, seeking for a job in challenging and healthy work environment. i am looking forward to contribute in an organisation that offers a genuine opportunity for career

S$5/h
1^st lesson free

Beverly

Indianapolis, United States (face-to-face &online)

Patchez townsend, rn super nurse of 30 years-love to teach. sky is the limit for learning

S$36/h
1^st lesson free

Vijay v

Chennai, India (online)

To work in an organization where i can use my skills and knowledge for the growth of the organization and improve my abilities .

S$5/h
1^st lesson free

Ratula

Bengaluru, India (online)

To grow with an organization and be a part of its attempt to make exemplary human beings for the society and future for our country.

S$5/h
1^st lesson free

Dr asok kumar

Kolkata, India (online)

14th dec 2009 – 19th oct 2010: visiting professor in physiology, sports centre, university of malaya, 50603, kuala lumpur, malaysia (one year contract). (grade: vk7, basic rm 7236 + allowances)

S$7/h
1^st lesson free

Dr k magesh sheeba

Rajapalayam, India (online)

I hereby declare that the above said details are true and genuine to the best of my knowledge and belief.

S$5/h
1^st lesson free

Bbhagyalakshmi

Vinukonda, India (online)

Seeking a challenging position in the biotechnology industry where i can efficiently contribute my skills for the best of the organization and learn more to become competent technical person.

S$5/h
1^st lesson free

Gina

White Rock, Canada (face-to-face &online)

Naturopathic medical graduate offering tutoring in biology in white rock british columbia

S$17/h
1^st lesson free

Billie

London, United Kingdom (face-to-face &online)

Graduate medical student offering science, medical entrance exam tutoring and interview prep in london

S$35/h
1^st lesson free

Piet

Pretoria, South Africa (face-to-face &online)

Hi i’m a third year dentistry student at the university of pretoria and can teach various fields of biology at various levels.

S$8/h
1^st lesson free

Holly

Woodcote, United Kingdom (face-to-face &online)

1st year dental student able to help with all sqa levels for biology

S$16/h
1^st lesson free

Patricia

, United Kingdom (face-to-face &online)

General doctor offers biological sciences and medicine lessons (in english or spanish)

S$17/h
1^st lesson free

Pallavi

, India (online)

Obtaining a teaching position that utilizes my passion for teaching biology to creates a positive experience for the students by implementing various teaching methods and coordinating with other teach

S$5/h
1^st lesson free

Preeti

New Delhi, India (online)

To work in a progressive environment which provides oppurtunities for knowledge, development, career growth & team work culture. to begin my teaching career & to achieve good progress in my career thr

S$5/h
1^st lesson free

Dr ankita

Gurugram, India (online)

• awarded certificate of appreciation for participating as technical support in the 2nd plant proteomics workshop/training programme held in the department of botany, university of delhi, delhi, india

S$5/h
1^st lesson free

Sathyparvathy

Bengaluru, India (face-to-face &online)

Experienced subject expert in biology offer assistance for all solutions in biology

S$13/h
1^st lesson free

Cleo

Cape Town, South Africa (online)

Let me be your inspiration, be on top of the game! exciting way to be tutored

S$10/h
1^st lesson free

Emilia

London, Canada (face-to-face &online)

Nursing student with extended knowledge in biology, physiology, and health. experienced in teaching and tutoring.

S$18/h
1^st lesson free

Amy

Nottingham, United Kingdom (face-to-face &online)

Recent cambridge veterinary medicine and zoology graduate offering biology and other science lessons in nottingham

S$21/h
1^st lesson free

Akanksha

Vancouver, Canada (face-to-face &online)

Ubc bsc graduate gives biology, chemistry and nutrition lessons to students in vancouver

S$13/h
1^st lesson free

Emily

Derby, United Kingdom (face-to-face &online)

Food science undergraduate student offering food technology and biology tutoring in derby or online up to gcse level

S$26/h
1^st lesson free

Rhea

Upminster, United Kingdom (face-to-face &online)

Medical student offering biology, chemistry and maths lessons up to a levels. can also provide advice on medical school applications and help tutor for entrance examinations such as the ukcat

S$26/h
1^st lesson free

Essential information about your anatomy lessons
✅ Average price :	S$21/h
✅ Average response time :	1h
✅ Tutors available :	45421
✅ Lesson format :	Face-to-face or online

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Discover our tutors in your city and overseas

45421 tutors available

The list of tutors

Medical student offering biology and physiology lessons up to university level in london

I am a physiotherapy student who will give biology and anatomy courses to students in montreal.

A final year medical student offering biology and chemistry lessons to an a level standard.

Working in a reputed igcse/ib school. along with home/private tutions for md/igcse/ icse/ cbse/ ssc. keen on teaching grades 1 to 10. also taking tutions of all subjects of the cbse & ssc board.

Medical student offering biology, chemistry and medical sciences for all levels, passionate about personalised learning based on your preferred learning style!

Hi. i am a medical student willing to offer lessons in basic sciences.

Am a post graduate student in the field of msc forensic science at osmania university hyderabad. can teach biology, maths , social and languages upto tenth standard

4th year optometry student offering biology, physics, and math related tutoring lessons

Medical school graduate passionate about teaching biology (human anatomy, physiology, microbiology and molecular biology) in new delhi

Medical student who would love to teach science to young people in liverpool. i have gcse and ib qualifications in this subject area.

4th year medical student offering, biology and chemistry lessons up to univeristy level online, in the comfort of your home.

I am specialist of biology and belongs from kanpur, neet qualified.

Very enthusiastic tutor with many years of teaching biology and genetics subjects in montreal

Doctor well versed in teaching other budding medicos and students aspiring to join medical field.

Graduate in forensic science teaching classes for high school students up to matric. i teach in bloemfontein.

Biology degree student, with 10 gcses a*-a including all three sciences, maths and english. along with 3 a levels in biology, chemistry and psychology

Fourth year medical student offering biology tutoring in london at a level and below

I am graduated in medical imaging and technology students who requires help in biology and chemistry can take my help

Research scholar in microbiology and can teach all aspects of science in perfect way

I am medical doctor plus scientist (biomedical science) - learning made easy :)

Human biology student offering biology and chemistry courses nat 5 higher or college level.

Physiotherapy graduate from mumbai can take tuitions for any medical student requiring help in learning anatomy and biomechanics

I'm a b.pharm final year student. and i love to teach biology

Professional providing classes for all academic subjects for classes 5 to 10

Dental doctor willing to give all subject lectures up till class 12 and also biology lectures for higher studies.

Recent biomedical sciences graduate offering physics and human biology lessons in johannesburg

First class biomedical sciences graduate with experience as a university teaching assistant, bio-tech researcher and has a passion for teaching!

Science teacher offering botany, zoology and chemistry lessons in uk, spreading knowledge

College instructor and health provider with 20 yrs experience tutors student with body and health related questions.

I can teach 11th 12th and neet biology more specifically botany. i can also teach csir net life science plant physiology, cell and molecular biology.

I am a medical student interested in giving private tutions in biology and all subjects as well for good and guaranteed academic as well as competitive (neet) result and i also do student counseling f

Research scientist in one of the pharma company and teaching is my passion.giving turions to 1 to 12 standard biology

Biology undergrad student giving biology, english and math lessons for high school students in kingston, ontario

A positions as an active employee, involving responsibility and working with others as a team member to achieve advancement and growth for the company.

Hello !! anyone here to understand anatomy not just merely crammup are welcome !!

Preparing for upsc . gives tution in science and maths for more than 2 years

Newly graduated medical doctor tutoring biology to high school/college students in sarnia

Biology subject i am passionate. bachlors degree anatomy/physiology/ post grad diploma in public health and health promotion (manchester uni), health studies (city uni birmingham) diploma in educat up

Student of biotechnology gives you tips to score high in biology of class 10th & 12th.

A human biology student doing a year long research placement in sheffield, and offering biology lessons

I want to be a part of an organization where there is an ample scope to grow with challenging assignments to tap my potentials to the fullest capacity, to orchestrate winning performance with even mos

A student in pharmacy gives tution in language, biology,chemistry and maths in rajkot

Physiotherapy student in cardiff offering biology tutoring up to ib/high school level

Medical final year student,well versed in teaching and good academic skills and past experience of training students for competitive exams

Molecular biology student gives biology classes to high school students in toronto

Ib (international baccalaureate) student with 95%+ average gives lessons in biology up to grade 12. currently teaching in brampton, on, more specifically the castlemore area.

Biology gives you a brain and life turns it into a mind! & biology tutor makes the life perfect by teaching and giving the knowledge to brain!

Passionate phd student in neuroscience. very enthusiastic in sharing and transferring knowledge.

3rd year biomedical science student offending biology and maths tutoring from leeds

London based, top 10 biomedical sciences undergraduate available for human biology tutoring

I am seeking a challenging position in a developing institution where i can put to use my knowledge and experience and also grow in knowledge and at a personal level.

Biology chemistry pre medical student with experience at nasa in biological studies

University college london biomedical sciences student offering ib/a - level biology exam preparation

Took part in the science fair in 2008 and became first on the topic “globalization of deglobal warming”.

Seeking a suitable position in accordance with my professional qualification & skills gained over the years to the full extends for developments, there by contributing to the overall growth and profit

Attentive secondary school biology teacher with excellent communication skills organized and driven with the innate ability to stay on task. uses effective and efficient methods of teaching.

I do hereby declare that all the above details provided by me are true to my knowledge.

Creative and resourceful teacher with proven ability to enhance students’ performance, offering ten years of varied instructional experience. possess a positive and effective teaching style with the w

B.ed - sriaadhisankarar college of education affiliated to tamilnadu teachers education university, chennai. (biological science, english).

A dentist studying for masters giving tuition in biology from middle school to college.

Experienced biology teacher offering tuitions to students up to a-lavel in nottingham and near-by.

I'm a recent medical school graduate with biology degree at your service

Second-year radiography student offering biology tutoring online, or at home in exeter.

Secondary school science and biology teacher gives lessons at the agreed place

High school theatre student with love for everything environmental and ocean wise!

A bsc biotechnology student offering biology and biology-related lessons in edinburgh

A doctor (m.d), microbiologist (b.sc microbiology), certified esl tutor and musician with at least 3years experience.

Im teacher with best skills..free demo for authentication..i belive in depth knowledge delivery..

A student of botanay and preparing for neet is giving tuitions for biology from classes 6 to 12 in kolkata.

Biology, zoology, social studies, environmental science. wanted to teach in hyderabad. and i am from a science background complete my b.pharmacy

Highly experienced genetics bachelor student to provide tutoring throughout gold coast, australia

Teaching high school biology lessons online, with prepared lessons and notes included.

Master graduate with extensive teaching experience provides biology, anatomy, and psychology lessons in london

Ulfat fatima: biological studies, science models and research work, university of gujrat pakistan.

Mature and patient educator who enjoys teaching all subjects especially biology. based in gauteng.

Anu medical student gives advice of biology around acton and the canberra cbd

 to be very sincere and disciplined towards work assigned to me and will try to look ahead with my efforts.

B.ed - sriaadhisankarar college of education affiliated to tamilnadu teachers education university, chennai. (biological science, english).