Director Profile

Harman research institute steeped in tradition and nurtured by a dedicated academicians and clinicians towards public health, medical diagnosis and research of fundamental, applied and interdisciplinary in nature. It is an institute for basic education and as a continuum higher education and Research in the field of health, allied health sciences, agriculture and environmental sciences.

Present position : Associate Professor and Research Advisor
Teaching Experience :
Under – Graduate Level - 22 yrs
Post – Graduate Level - 18 yrs
M.Phil., - 12 yrs
Research Experience - 15 yrs
Prof. Dr. S. VELAVAN, M.Phil., Ph.D.,    
Research Experience:    
S.No. Degree No. of students completed No. of students enrolled at present
1 Ph.D 04 08
2 M.Phil 72 02
3 M.Sc., 1824 02
Research Exposure:    
Research exposure in the following field such as Evaluation of toxicological markers, aging markers and oxidative biomarkers and examination of pathological changes during hepatotoxicity, nephrotoxicity, Toxicology, neurotoxicity, diabetes, neurodegenerative diseases and metal toxicity. Apoptosis and cancer biology, Free radical and ageing, cardiovascular pharmacology, Synthesis of Nanoparticles, Phytochemical studies and phytotherapy.
Hands on Techniques    
Ability to handle Electrophoresis, Chromatography (TLC, Column chromatography, HPLC), Autoanalyzer, Spectrophotometer, Spectrofluorimeter, Flame photometer and able to work in Polymerize Chain Reaction (PCR), Gel documentation unit, Staining and many other related techniques. Animal handling- Administration of drugs via oral, intra peritoneal, intra muscular and intra venous to Wistar rats and Swiss Mice.
Professional Training Received:    
Nature of Training Duration Organization where training was provided
Biochemistry Laboratory
25.08.1995 – 24.11.1995 Thanjavur Medical College
Workshop on Environmental
05.01.2004 – 10.01.2004 Bharathidasan University,
Membership of Professional bodies:    
Name of the Body Status of Membership
Indian Gerontological Association Life Member
Society of Biological Chemist Annual (1993-1995)
Doctoral Committee Member Since 2011
UG Board of studies, Serfoji Govt. College, Thanjavur, Tamil Nadu 2011-2013
UG Board of studies, ADM College, Nagai, Tamil Nadu 2006-20086 years
UG Board of examiners, BARD, Trichy, Tamil Nadu Since 2010
UG Board of examiners, Serfoji Govt. College, Thanjavur Since 2010
PG and M.Phil. Board of examiners, BARD, Trichy, Tamil Nadu Since 2011
PG Board of examiners, Govt. Mens College, Kumbakonan Since 2012
Question Paper setter for Annamalai university, Alagappa University,
Tamil University, Vinayaka Missions University
Annual (1993-1995)
Doctoral Committee Member Since 2011
Society of Biological Chemist Annual (1993-1995)
Seminars organized:    
S.No. Period Title of the Programme Nature of the Programme:
International / National/ Regional / Local
No of participants
inside       outside
Budget Sponsors
1 2004 (24th Sep. 2004) State level conference on sustainable Trends in Biosciences State 126 187 58,000 Management
2 2012 (6th March 2012) State level seminar on Emerging Trends in Biosciences State88 284 84,000 Management
List of Publications: National and International  
Journal Publications (November 2017)
Total publications     :    82
Total Impact factor    :    91.05
Journal Publications link :
Journals : International
• Mahadevan K and Velavan S (2013) Analysis of salivary proteins as the biochemical indicators of nutritional status and salivary gland function. Int J Pharm Bio Sci; 4(2): (b) p689 – 694 (ISSN 0975-6299)
• Kalaiselvan A, Gokulakrishnan K, Anand T, Akhilesh U and Velavan S. (2013) Preventive effect of Shorea robusta bark extract against diethylnitrosamine -induced hepatocellular carcinoma in rats. International Research Journal Of Medical Sciences 1(1), 2-9, (ISSN: 2320 7353).
• Vembarasi G, Velavan S and Mahadevan K. (2013) Identification of bioactive components and its biological activities of Asparagus racemosus rhizomes through the Gas Chromatography and Mass Spectrometry. International Journal of Natural Products Research; 2(1): 17-19. (ISSN: 2249-0353)
• Velavan S, Arivoli P and Mahadevan K. (2012) Biological reduction of silver nanoparticles using cassia auriculata flower extract and evaluation of their in vitro antioxidant activities. Nanoscience and Nanotechnology: An International Journal; 2(4): 30-35. (ISSN: 2278-1374)
• Velavan S, Manonmani P and Mahadevan K. (2012) Green synthesis of silver nanoparticles using plant leaf extract and evaluation of their antibacterial and in vitro antioxidant activity. Asian Pacific Journal of Tropical Biomedicine. 1: 1-8. (ISSN:2221 1691)
• Mahadevan1 K. and S. Velavan. (2012) Assessment of salivary lipid peroxidation and protein oxidation status in patients with diabetic and oral cancer. International Journal of Medicine and Bioscience. 1(4): 66 – 68. (ISSN 2319 – 2739)
• Anand T, Gokulakrishnan K, Kalaiselvan A, Velavan S. (2012) Restorative effect of (5E, 13E)-5,13-Docosadienoic acid on Carbon tetrachloride induced oxidative stress in rats. Asian Pacific Journal of Tropical Disease.S1592-1599. (ISSN:2221 1691)
• Anand T, Gokulakrishnan K, Kalaiselvan A, Velavan S. (2012). Protective role of ethanolic extract of Hybanthus enneaspermus on mitochondrial membrane Na+/K+ATPase, Ca2+ATPase and Mg2+ATPase activities on carbon tetrachloride induced oxidative stress in rats. International Research Journal of Pharmacy. 3(7). 133-134. (ISSN: 2230-8407)
• Velavan Sivanandham. (2011) Free Radicals In Health And Diseases -A Mini Review. Pharmacologyonline (ISSN: 1827-8620) 1 Newsletter: 1062-1077. (ISSN: 1827-8620)
• Velavan S.and V. Hazeena Begum (2011) Lipids Regulating Activity of Asparagus racemosus Root in Young and Aged Rats. Indian Journal of Gerontology. (ISSN : 0971-4189) 25 (3). pp.273-285
• Velavan S., S. Selvarani and A. Adhithan (2009) Cardioprotective effect of Trichopus zeylanicus against myocardial ischemia induced by isoproterenol in rats. Bangladesh Journal of Pharmacology. (ISSN: 1991-0088) 4: 88-91. (ISSN: 1991-0088)
• Velavan S. and V.Hazeena Begum. (2008) Asparagus Racemosus Supplementation Ameliorate Age-related Oxidative Damage in Skeletal Muscle Lysosome of Aged Rats. International Journal of Pharmaceutical Science and Nanotechnology. (ISSN 0974-3278) 1 (1) April – June.pp 37-44.
• Velavan S. Aegil I and Gokulakrishnan K. (2008) Protective effect of Vitis vinifera against myocardial ischemia induced by isoproterenol in rats. Pharmacologyonline. (ISSN: 1827-8620) 3: 958-967.
• Sivanandham Velavan and Vava Mohaideen Hazeena Begum. (2007). Restorative effect of Asparagus racemosu on age related oxidative damage in heart lysosome of aged rats. International Journal of Pharmacology (ISSN 1811-7775) 3(1): 48-54.
• Sivanandham Velavan and Vava Mohaideen Hazeena Begum. (2007) Modulatory role of Asparagus racemosus on Glucose Homeostasis in aged rats. International Journal of Pharmacology. (ISSN 1811-7775) 3(2): 149-154.
• Velavan S and Hazeena Begum V. (2007) Optimizing activity of Asparagus racemosus on plasma lipid peroxidation and antioxidant in aged rats. Pharmacologyonline. (ISSN: 1827-8620) 2: 61-71
Journals : National
• Sivanandham Velavan (2012) Free Radicals and Antioxidants– A Determinants of Life Span of an Organism. Journal of Phytotherapy and Pharmacology. 9, VOL-1 (7) 11-13. (ISSN: 2278-1390)
• Sujitha BS, Velavan S, and Mahadevan1 K. (2012) Reactive oxygen and nitrogen species scavenging, metal chelation and reducing power activity of Ficus benghalensis bark (FBB) -- an in vitro study. Journal of Phytotherapy and Pharmacology. 9, 1(7),01-10. (ISSN: 2278-1390)
• S. Velavan, K. Nagulendran, R. Mahesh, V. Hazeena Begum. (2007). In vitro antioxidant activity of Asparagus racemosus root. Pharmacognosy Magazine. (ISSN: 0973-1296) 3(9): 26-33.
• S. Velavan and K. Nagulendran, R. Mahesh, V. Hazeena Begum. (2007) The Chemistry, Pharmacological and Therapeutic applications of Asparagus racemosus- A Review. Pharmacognosy Review. 1(2); 350-360. ISSN: 0973-1132
• KR. Nagulendran S. Velavan, Mahesh R and Hazeena Begum V. (2007) In vitro antioxidant activity and total polyphenolic content of Cyperus rotundus rhizomes. E-Journal of chemistry. 14(3): 440-449. (ISSN: 0973-4945)
• R. Mahesh, KR. Nagulendran, S. Velavan, T. Ramesh, V. Hazeena Begum. (2007). Studies on the antioxidative and free radical scavenging activities of Myrobalan (Terminalaia chebula Retz) through various in vitro models. Pharmacologyonline (ISSN: 1827-8620) (Young researchers). 2: 1-11.
• R. Mahesh, T. Ramesh, KR. Nagulendran, S. Velavan, V. Hazeena Begum.(2007) Effect of Terminalia chebula on Monoamine oxidase and antioxidant enzyme activities in aged rat brain. Phramacognosy Magazine. (ISSN: 0973-1296) 3(12): 241-245.
• Sathiyapriya V., Mathi S., Sasikumar D and Velavan S. (2006). Effect of Nelumbo Neucifera (lotus) on Hematological changes in cigarette smoke exposed Rats. Periyar Journal of Research and Development. 4(3): 11-13. (ISSN:0972-7582)
Paper presented/Participated in Seminar/Conference/Workshop
Seminar / Conference – Paper presented
• 2007- UGC Sponsored National Workshop on “Bioinformatics” and Conference on “Free Radicals and Antioxidants in Health” March 2-4, at Dept. of Biochemistry, Annamalai University.
• 2007- National Seminar on Emerging Trends in Biochemistry Health and Diseases, at Dept. of Biochemistry, Periyar University.
• 2007- “Genomera 07” Two-Day National Symposium (24 & 25), at Dept. of Biotechnology, Periyar Maniammai college of technology, Vallam.
• 2007- National conference on Recent Trends in Biosciences. Feb. (8th and 9th), at Annai College, Kumbakonam.
• 2006- National Symposium on Traditional Medicine Human Health and Biotechnology Dec. 15-16, at Dept. of Biotechnology, Mahendra arts and Science College. Namakkal, Dist
• 2006- National Symposium on Recent Trends in Biotechnology. Genomera.January 27 & 28. Periyar Maniammai college of Technology, Vallam.
• 2004- State level conference on sustainable Trends in Biosciences –held at Maruthupandiyar College, Tamil Nadu, India.
• 2003- Southern Regional Conference of Pharmacologists, held at Thirupathi, Andra Pradesh, India
• 2003- National conference on Frontiers in Biotechnology, held at J.J College of arts and science, Tamil Nadu, India.
Seminar / Conference – Participated
• 2009 – International conference in food processing technology, IICPT, Thanjavur. 28 and 29 Aug 2009.
• 2006- Indo-Australian conference on Pharmacogenomics March 10, organized by Kasturba Medical college, MAHA, Manipal, India
• 2004– Six day work shop on Environmental studies conducted by Bharathidasan University
• 2004- Seminar on Herbs in treatment organized by Ponnaiyah Ramajayam college, Tamil Nadu, India.
• 2004- Workshop on Recent Trends in Biological science at Maruthupandiyar College, Tamil Nadu, India.
• 2003- International conference on the role of Indian systems of medicine and Homeopathy in the 21st century – Chennai, India.
• 2000- International conference 2 nd Biotechnology India, held at New Delhi
Awards and recognition  
a) Recognized as Research Advisor (RA) for Ph.D. (Biochemistry) from
• VELS University,
• BHARATHIYAR University,
• PERIYAR University,
b) Research advisor (RA) for M.Phil., (Biochemistry) from
• PERIYAR University, TAMIL University and
Books Published  
S.NoBooks Published
1 Velavan S. “Analytical Biochemistry and Molecular Techniques” (2009) Published by Aruma Publications, Koradacherry, Tamil Nadu, South India. . (ISBN: 978-93-80173-80-1). Pages 300.
2 Velavan S. “Biological Molecules” (2010) Published by Aruma Publications, Koradacherry, Tamil Nadu, South India. . (ISBN: 978-93-80173-80-8). Pages 350.
3 Co-author for many guides such as Enzymes and Allied Biochemistry Subjects and practical books for U.G.Courses (Syllabus constructed by Bharathidasan University). ,



Full Ph.D/ M.Phil.,Thesis/research papers plagiarism checking services.

Thesis/Dissertation and Research Assistance.

Analysis of various parameters in biological samples.

Publish the research works in reputed journals with impact factor.

Kindle the spirit of research.

We invite proposals from interested partners and institutes for collaboration.


Free radicals and Diseases,

In vitro and In vivo Antioxidants.

Nanotechnology and Nanoparticles.

Phytotherapeutics and Phytochemistry.

Pharmacognosy and Pharmacology.

Chromatography and Toxicology.

Histopathology, Histochemicals.

Biosensor, Cell line.

Antimicrobial study.

Electrophoresis Techniques.