He was awarded the Merck International Fellowship in Clinical Pharmacology for advanced research training in U.S.A. At Yale Medical School, he was at the Cardiology Clinic and the Section of Clinical Pharmacology, with a research focus on hypertension and biogenic amines. He worked on amine and peptide secreting tumors-pheochromocytoma, Zollinger- Ellison syndrome and mastocytosis. Later, he was at the CIBA Research Centre and KEM Hospital, Mumbai for Phase I, II and III clinical trials on new molecules, and for research on natural products at Podar Ayurvedic Hospital. He was the first who did GCP clinical trial of Benazepril. He has been in academic activities in the planning and execution of the GCP training courses like Clinical Pharmacology and Therapeutics Courses conducted by the Indian Council of Medical Research at Seth G.S. Medical College, courses in Clinical Trials Methodology with Association of Medical Advisors to the Pharmaceutical Industry of India and the courses organized by the Government of India-AYUSH, IASTAM, IDMA and ADMA, local medical/Ayurvedic colleges.