CLAT is the National level Exam for Five Years Integrated law programme & post Graduate Law programme, It is not for three years law programme. You can apply for LSAT Entrance Exam, It offers the courses BA LLB, BBA LLB, BCom LLB, BSc LLB, three-year LLB and LLM.

Final Year of Graduates can apply for LSAT Entrance Exam. You can its complete eligibility with the given below link.

https://law.careers360.com/articles/lsat-india-eligibility-criteria

Good Luck!