Botany deals with the detailed study of plants, and its ecology. Since you have done B.Sc course in this field,so you should aim at higher studies now. This is because higher studies in this field will not only enhance your scope of job opportunities but also provide a better salaried job.

Once you complete the same, there are many employment opportunities which will be available for you -

-Departments of Environmental Protection
-Departments of Agriculture and Water
-Nature Conservancy
-Lumber or Paper Companies
-Nurseries
-Food Companies
-Chemical Companies
-Biological Supply Houses
-Environmental Protection Agency
-Medical Plant Resources Laboratory
-Drug Companies
-Fruit Growers
-Biotechnology Firms
-National Park Service
-Departments of Conservation and Land Management
-Animal and Plant Health Inspection Services
-Public Health Service
-Department of Agriculture
-Forest Service
-Oil Industry

The major recruiters are:-

-Botanical survey of India (BSI)
-Indian Agricultural Research Institute (IARI)
-National Institute of Oceanography (NIO)
-Indian Council of Forestry Research and Education (ICFRE)
-Dr Reddys Laboratories
-Questar Bioinformatics
-Tata Consultancy Services etc.


Hope this helps!!!!