Hello Alok

After completing B.Sc Agriculture, you can opt for M.Sc Forestry or Forestry Management.
Master of Science in Forestry is a two year full time programme and candidates can take admission to the course after completing B.Sc.Agri./B.Sc. Agri. (Hons.) / B.Sc. Forestry/ B.Sc. Biotech (Hons.)

Admission to the course is done on the basis of entrance exam.

Some of the colleges offering M.Sc Forestry are-
Punjab Agricultural University, Ludhiana
Orissa University of Agriculture and Technology, Bhubaneswar
Amity University, Noida
College of Forestry, Sirsi

And, if you are interested in Management courses, you can opt for PostGraduate Diploma in Forestry Management. Candidates can opt for admission to the course after completing graduation in any discipline. You will have to appear for management entrance tests for admission such as CAT, XAT, etc.

However, it should be noted that the eligibility criteria and admission process vary from college to college. So, kindly mention that you are seeking admission in which college/University so we can provide you the detailed information.

Good Luck!