CLAT is the most common and popular exam for law in india. After qualifying CLAT exam you can get admission into topmost law university like NLSIU Bangalore, Nalsar University of Law, NLU Kolkata, GNLU Gandhinagar, SOA, Lovely Professional University, NLIU Bhopal, IPU etc.forms are out for the year 2025 you can fill the form before 15th October.for more details refer link

https://law.careers360.com/articles/clat-exam-dates

Other universities such as bhu and aligarh muslim university have their own entrance exam for admission in law courses yhe timeline is between feb to April for the forms you can check the official website for each university in which you are interested.