(Ph.D.,F.I.C.) is working as Principal of Sheth M.N.Science College, PATAN, INDIA. He is research guide in CHEMISTRY. He has written several papers, articles and books. Hemant H. Gadape (Ph.D., M.B.A.) is Analytical Research Scientist at Intas Pharmaceuticals Limited, Ahmedabad, INDIA. He is expert of many sophisticated analytical instruments.