Best LLM institutes are:-
National Law School of India University, Bangalore
National Law University, Delhi
NALSAR University of Law, Hyderabad
NLIU, Bhopal
You can take coaching from:-
Juris Academy
Kusum Law Academy
Mansarovar Academy
If we are talking about the best then NLU ofcourse but OP jindal is also good when it comes to law , you even have IP university for the same
Try taking coaching from ims cp or juris academy
NLU's
Indian Law Institute
Jindal
This decision depends on the subjects you are interested in. Check the programs offered by these institutes and the subjects you are interested in and apply accordingly. Finology legal and LawSikho are also new online coaching institutes.