Dear friend ,
B.sc in botany has lot of scope or job opportunities.
Opportunities in private sector :
Environmental Consultants
Manager or Greenhouse Manager
Farming Consultants
Park ranger
Curator
Botanist
Plant biochemist


Opportunities in public sector :
Project Assistant in National Institute of Oceanography (NIO)
Lab Assistant
Forest Range Officer
Field Assistant in Indian Council of Forestry Research and Education (ICFRE)
Technical Assistant in Kerala Forest Research Institute

Hope this may help you.......
Good luck !!!