Dr. Hem Raj Vashist. M.Pharm, PhD Pharmacognosy Is presently associate professor at LR college of Pharmacy Solan HP with 12 years experience in teaching to B.Pharmacy students. He completed his B. pharmacy from Rajeev Gandhi University of Health Science Bangalore and M. Pharm from Vinayaka missions University Salem TamilNadu. He completed his PhD from Rai bhoi, Jorabat CMJ University Meghalya. He published more than 75 research and review article national and international journals.