Hello Pranjali

Nirma University, Ahmedabad and Pandit Deendayal Petroleum University, Gandhinagar both are good Universities. Nirma University has been ranked 19 by Careers360 for MBA course.
However, while selecting any college various factors are considered such as the distance to commute, placement record, etc. You can go through the link below and check the placement records of both the Universities- http://spm.pdpu.ac.in/placements.html
http://www.nirmauni.ac.in/imnu/OurRecruiters

Good Luck!