Police Officer

You can pursue your graduation according to your interest and choice. Else, you can refer to the list of subjects given in optional subjects in Mains exam as it gives you an added advantage. The subjects include:
Agriculture
Animal Husbandry and Veterinary Science
Anthropology
Botany
Chemistry
Civil Engineering
Commerce and Accountancy
Economics
Electrical Engineering
Geography
Geology
History
Law
Literature of any one of the non-English languages listed above
Management
Mathematics
Mechanical Engineering
Medical Science
Philosophy
Physics
Political Science and International Relations
Psychology
Public Administration
Sociology
Statistics
Zoology
All the best.

You should attempt to crack the UPSC exam via which you have a chance to join the IPS (Indian Police Service)
Regards.

See, there are many vacancies are there in WB Police or Kolkata Police. Please go to their official site and follow them.

There are two exams conducted every year for the police officer
posts:
UPSC (Union Public Service Commission)
SPSC (State Public Service Commission)
UPSC is of the higher level. For both the exams, you must be a graduate. Now, it depends on you that you choose either engineering course or any other undergraduate degree course.