Yes, admission to the 5-year LLB course is possible without an entrance exam. Only a limited number of law colleges accept students based on their merit in 10+2.  It is important to check the eligibility criteria of law colleges without entrance exam before applying to these colleges. Some of the colleges are Tamil Nadu Dr. Ambedkar Law University (TNDALU), Guru Nanak Dev University, Amritsar (GNDU Amritsar) , Gujarat University, and more.