Sorry the Question is not clear to me. Please elaborate more! I am sure that there are imminent Indian scientist working ion medicinal plants and in many other scientific fields.
Dear Dr. Durga Prasad, There has been a lot research carried out on drugs from seaweed under Ministry of Earth Science (earlier DOD) funded Drugs from the Seaweed Project. To know about this program please visit http://moes.gov.in/programmes/drugs-sea
CSMCRI has been activity participating in this for over past 20 years. Please read publications of Dr. A.K. Siddhanta and his group for details. Nevertheless, there are several others who are today actively working on secondary metabolites from this important resource having implications in pharmacology. CMFRI has developed anti diabetic drug and details can be found at http://www.cmfri.org.in/news.php?newsid=91