Hello dear
first of all congrats if you secured a seat at the prestigious institute.
second,i think the best bank for a educational loan is Central Bank of India.
It has the following criteria for loans for educaation at IIMs and XLRI,XIMB,SPJIMR & MDI.
The eligiblityis Students admitted to IIMs through the Common Admission Test (CAT) and pursuing two year full time management course. The scheme is also applicable to students pursuing full time regular management course (through XAT/CAT) in the four reputed institutes. The scheme is not applicable for any part time courses or one year courses.
Maximum loanof Rs 20 Lacs.
The best part is that therate of interestis :-
Male students without joint borrower - Base Rate + 0.50%
Male students with joint borrower- Base Rate
Female/SC/ST/Minority Community students-Base Rate
Expenses considered-
i. Fee payable to college/ school/ hostel. Reasonable lodging and boarding charge will be considered in case the student chooses / is required to opt for outside accommodation.
ii. Examination/ Library/ Laboratory fee.
iii. Travel expenses
iv. Insurance premium for student borrower, if applicable.
v. Caution deposit, Building fund/refundable deposit supported by Institution bills/receipts.
vi. Purchase of books/ equipments/ instruments/ uniforms.
vii. Purchase of computer at reasonable cost, if required for completion of the course.
viii.Any other expense required to complete the course - like study tours, project work, thesis, etc.
ix. Visit to foreign universities in Exchange Programme.
x. Living Expenses upto Rs.120000/- p.a. on declaration basis.

Go and have a blast.
All the Best.