Undergraduate teacher since 1974
Postgraduate teacher since 1977
Teacher in the super speciality of Endocrinology and Diabetes since 1985
Examiner for MBBS, MD, DM and Dip NB since 1980 in several universities

1. Life Member, Association of Physician of India
2. Life Member, Endocrine Society of India
3. Life member Research Society for the study of Diabetes in India [RSSDI]
4. Life Member Indian Clinical Epidemiology Network [Indiaclen]
5. Member, Editorial Board of the Journal of Association of Physicians of India
6. Secretary, Indian Society for Bone and Mineral Research (One term)

• Experimental fluorosis in rats Effect of Vitamin D deficiency (with Biochemistry Department, Fluid Research Grant CMC) Work completed and published
• Study of the intra operative cortisol response in patients undergoing transsphenoidal pituitary surgery (with Neurosurgery Dept, Fluid Research Grant CMC). Work completed and published
• Study on the incidence of post operative Diabetes insipidus in patients not given Hydrocortisone during transsphnoidal pituitary surgery (with Neurosurgery Dept,Fluid Research). Work completed and published
• A controlled trial of corticosteroid in allergic bronchopulmonary aspergillosis (With ENT DEPT, Fluid Research) Work completed and published
• Study of vestibular and auditory function in hypothyroidism (With ENT Dept, Fluid Research) - Completed and report submitted.
• Long term follow up of patients with pituitary tumors
• Study on the mechanism of delayed hyponatremia in patients undergoing neurosurgical procedures. Work completed
• Prevalence of osteoporosis and Vitamin D deficiency in post-menopausal women in Vellore town (Fluid Research grant from CMC) Completed and report submitted. Work completed and published
• Hypovitaminosis D and osteoporosis in HIV infected men with or without HAART treatment (Fluid Research grant from CMC) Completed and report submitted
• Defining HIV lipodystrophy - HIV infection anti-retroviral therapy and lipodystrophy (Fluid Research Grant CMC) Work completed and published
• Vitamin D deficiency in Crohn,s disease (Fluid research grant from CMC) Completed and report submitted
• Pathobiology of pituitary tumours : a study of proliferation and apoptosis markers (Fluid research grant from CMC) Completed and report submitted
• Hypophosphatemia in ventilated patients (Fluid research grant CMC) Work completed and published
• Study of gene mutations in Multiple Endocrine Neoplasia (CSIR) Work completed and published
• A filter paper method for HbA1C estimation in diabetic subjects (Fluid research grant from CMC) Completed and report submitted Work completed and published
• A comparison of different glucometers for home glucose monitoring in diabetics(Fluid research grant from CMC) Completed and report submitted
• Controlled Clinical trial of Pioglitazone in PCOD (Fluid research grant from CMC) Completed and report submitted Work completed and published
• Prevalence of osteoporosis in men (Fluid Research Grant CMC) Work completed and published
• Threshold for femoral neck fracture in post-menopausal women, association with Vitamin d deficiency and other risk factors (Fluid research grant from CMC) Completed and report submitted Work completed and published
• Bone density in chronic pancreatitis Pancreatic osteodystrophy (Fluid research grant from CMC) Completed and report submitted Work completed and published
• Jasmine flower extract and its effect on drug-induced hyperprolactinemia (Fluid research grant from CMC) Completed and report submitted Work completed and published
• Iodine status and its relation to response to I131 ablation (Fluid research grant from CMC) Completed and report submitted Work completed and published
• Zinc deficiency and hypogonadism in men (Fluid research grant from CMC) Completed and report submitted Work completed and published
• Erythropoietin deficiency and resistance in Chronic renal failure patients on regular hemodialysis ( Research grant from University of Kuwait) Completed and report submitted Work completed and published
• Osteoporosis in a rural community – impact of calcium and vitamin D supplementation on fractures, quality of life and mortality (Research supported by Thirumalai Charity Trust) Published in Indian Journal of Endocrinology and Metabolism

Controlled clinical trials

• Multicentre controlled trial of Raloxifene, for postmenopausal osteoporosis (External funding, Eli Lilly) - Completed.
• International Multicentre randomized double-blind controlled trial on Postmenopausal evaluation and risk reduction with Lasofoxifene (PEARL study, External Funding, Pfizer Global Research) – Completed & published in New Engl J Med
• International multicentre controlled clinical trial on Arzofoxifene in post-menopausal osteoporosis (Eli Lilly) Completed
• International multicentre controlled clinical trial on odanocatib in post-menopausal osteoporosis (Clinigene) Ongoing

About 120 publications in national and international journals Chapters in text books

More than 500