MAT

MBA as a program is good at AU . See wherever you go you have to put in that extra effort in order to be different from the lot . It was ranked as the 2nd upcoming business school by outlook magazine. The environment is good the faculty involves most of the PHD's . Apart from this they are really cooperative . We are taking admissions for MBA at this time too . So you can apply

IIBS Kolkata is best. check others too below
https://www.shiksha.com/mba/colleges/mba-colleges-in-kolkata-accepting-mat-score

You can apply as soon as possible because admission will be close by 20th MAY, you can go to website and apply online and then college admission department will take follow up.

Again it depends upon institute. all the institutes are not following same fee structure. but approximately for total fee on an average 10-15 lakhs.

Dear Randhir. there are n number of institutes are there at kolkata. amongst them just i am putting few. choose the business school carefully.
Indian Institute of Social Welfare & Business Management (IISWBM)
Army Institute of Management (AIM)
Training & Advance Studies in Management & Communication Ltd (TASMAC)
Binary Institute of Management and Technology
Academy for Professional Excellence (APEX)
Accord School of Business
St. Xaviers College- Kolkata
Indian Institute of Bio-Social Research and Development (IBRAD)
Usha Martin Academy (UMA)

At this score there is hardly any chance to get PUMBA.
Admission to PUMBA is through CAP rounds conducted bt DTE. DTE decides the date for admission. Keep checking DTE website for the same.

UBS,Amity, Galgotia, LPU