IIM A has 5 fee waiver scholarships for its Students. Maximum amount of scholarship offered is 3 lakhs. If you look at the official page, IIM A has a special need based scholarship. https://web.iima.ac.in/users/hr/files/RTI-13-Schlorship.pdf the details are as below:

IIM A Special Need Based Scholarships: All Candidates admitted to PGP and PGP FABM and whose gross annual family income is below Rs.15,00,000 in the last financial year are eligible for this scholarship subjective to proof of family income.

SC/ST Scholarships: All SC/ST Candidates studying the post graduate programmes are awarded a certain amount per month for 10 months.

IIM A Exit Scholarships are for students who graduate from IIM A and are going for Entrepreneurship or joining Not-For-Profit Organisation or pursuing Doctoral Studies.

Then there are Scholarships offered by the Government of India which are SC/ST Scholarships. Minority Welfare Scholarship, Scholarships for Students with Disabilities.

There are scholarships that are offered by Alumni like PGP Alumni Endowment Funds, Peri Vishwanath Scholarship, Shri GC Mital Entrepreneurship Aid, Nagamma Memorial Award.

Then there are various Scholarships offered by Industries and Corporations.

Dear Aspirant,

For this PGPX program, IIM Ahmedabad provides scholarship on Merit basis. The program has 5 interest waiver scholarship on merit basis. The scholarship will work as interest waiver for the loan taken by students for the program. Maximum amount of scholarship the student can get is upto 3,00,000

Hope this helps