M.A Scope

There isn't any university with the name University of Kotak. In order to be eligible to apply for an MBA or Master of Hotel Management, you need to have a Bachelor's degree from a UGC recognised university with at least 50% marks. Your MA does not hold any value for placement and package as it is purely based on the placement the course and institute bring, your academic and your own performance during the campus placement and interview.
Now as far as which one is better, it depends. If you get a seat in top MBA/ PGPM institutes like XLRI, IIM, FMS Delhi, NMIMS, SP Jain, etc. your average package will be 18 Lacs- 20 Lacs per annum. If you do it from a tier-2 institute, the package will be around 10 Lacs, if it is tier-3 then around 4 Lacs PA. With an average placement of 50% institutes.
If you do a Diploma from Institute of Hotel Management, the premier institute in the hotel management, you may expect a monthly package of 15000 to 40000 depending on the role you get.

Doing a course in MPA, prepare to serve as the manager in the executive arm of local or state government. To a person who wishes to get into police department, you may write all the examinations of both UPSC as well as State Public Service Commission. By writing the PSC, it will help you to get a job as Deputy Superintendent of Police. One of the options in front of you is to write the Civil Service Examination, and the criteria for it is the age limit. If you prefer to continue with your studies doing PG Diploma in criminology and forensic science is a good option. There are also so many similar courses and they are:-
PG Diploma in criminology and criminalities
PG Diploma in criminology and police science
PG Diploma in criminology and crime administration
PG Diploma in applied criminology
PG Diploma in criminology and penology
Institutes offering criminology courses in India include -
Lok Nayak Jayaprakash Narayan National Institute of Criminology and Forensic Science, Delhi
Punjab University, Chandigarh
Tata Institute of Social Science, Mumbai
University of Madras, Chepauk, Chennai
Utkal University, Bhubaneswar
University of Jammu, Jammu Tawi
University of Lucknow
University of Pune Ganeshkind, Pune