Hey Akanksha, 

Firstly, Law School Admission Test (LSAT)- is a standardised entrance exam conducted accross the country by Law School Admission Council (LSAC). It is a standardised test of reading and verbal reasoning skills.

Secondly, there are more than 80 participating colleges of LSAT India 2018. A candidate can freely choose any 5 law schools while filling up the application form. After the exam, every candidate's score is coverted into percentile on which the college selection basis lies.

Below are the top 5 colleges with their fee structures respctively-

1. O P Jindal Global University, Sonipat

  Fee structure: B.A L.L.B (Hons.) and B.B.A L.L.B (Hons.): ₹5.50 Lakhs Annually (Tuition Fees)

2. N A Global Law School, Bengaluru

  Fee structure: B.A L.L.B (Hons.)-    ₹50,000 Annually 

                     B.B.A L.L.B (Hons.)- ₹75000 Annually

3. Institute of Law / AISECT University, Bhopal

  Fee structure: B.A L.L.B (Hons.)- ₹25,000 Annually

4. Indore Institute of Law, Indore

  Fee structure: B.A L.L.B (Hons.)-    ₹1,45,000 Annually

                     B.B.A L.L.B (Hons.)- ₹1,20,000 Annually

5. GD Goenka University School of Law, Gurgaon 

  Fee structure: B.A L.L.B (Hons.)-   ₹ 2,25,000  Annually

                       B.B.A L.L.B (Hons.)- ₹ 2,25,000 Annually

You can check all the participating Institutes of LSAT India 2018: 

https://law.careers360.com/articles/lsat-india-participating-institutes

Hope it answers all of your queries.

All the best!