hi,

you may follow the below link to know about gold medalist holders of different streams of master course in jamia hamdard university. however there is medal holders from msc botany stream.

http://www.jamiahamdard.ac.in/PDF/Gold%20Medalist.pdf

gold medalist is generally given to those who has the excellent academic record through out the course and achieve the highest score among other batch mates. but the percentage of scores is not disclosed in official website. you may directly contact with college fellows to know more details.