hi,

see you can do mba in any streams and it does not matter that you have studies botany in your ug course. however You need to appear in cat/mat/xat/cmat like entrance test for pursuing mba from top tier1 institute. see there is several stream like mba in finance, human resource, business analytics , agri business management etc. from your back ground you may opt for,

mba in biotech

mba in agri business

mba in health care management.