Hello Gurmukh,

Common Law Admission Test (CLAT) is the most coveted of all the law entrances in India after Class XII. CLAT journey started in 2008 and today more than 45,000 students write the entrance every year to secure a seat in one of the participating National Law University including NLSIU Bangalore-the Harvard of the East.

CLAT is conducted every year to select students for 21 National Law Universities in India, other than National Law University-Delhi, which has their own process to select the students.

Roll number- It mentions the roll number of the candidates being issued by the university after submitting the Application form of CLAT 2019.

check this link for further more details. https://law.careers360.com/articles/how-fill-clat-application-form