Sociology

To apply for MA in criminology, you need to have 50% in graduation and need to appear for GGSIPU exam. You need to be maximum 35 years old.

Please refer to the link provided below for details regarding Master of Arts (Sociology) from Indira Gandhi National Open University. You should be able to download college brochure which contains important information regarding eligibility for this particular course and admission process followed. Regards.
https://www.shiksha.com/humanities-social-sciences/sociology/course/master-of-arts-sociology-indira-gandhi-national-open-university-saket-delhi-110849

There will be a combined entrance exam for Delhi University. Your admission will depend on your grades and marks in the entrance.

Christ University.
Delhi University can be your second option but they don't provide honours in criminology.

Basic eligibility to apply for M.A. in Applied Linguistics from the University of Hyderabad is that candidate should be a graduate with a minimum pass mark of 50% in graduation with minimum 50% marks in English (compulsory or optional subject). Eligible candidates need to appear for a written test conducted by University of Hyderabad. Candidates are selected based on the marks obtained in written test conducted by the university. Interested candidates can apply online with required information.

With BBA degree, pursuing MA in criminology won't be possible. For criminology, you need to have Master's programme as a graduate degree in Arts or Science with 50% marks aggregate.

You need to be in the final year of Master's degree to apply for this course. A provisional admission will be given to those students. In your case, you won't be eligible to apply now. For details refer to the link: https://www.shiksha.com/teaching-education/exams/ugc-net.