GL INSTITUTE OF MANAGMENT AND RESEARCH provides is a PGDM institute providing course approved by AICTE , MHRD ,Govt. of india .

it was ranked in group of 151 to 200 in NIRF ranking . which is good

As for placements, the Institute is known to offer placements in companies such as HDFC Bank, Oyo, Bata, flipkart, Byju's etc. The average salary package is around 5L p.a., but the highest package offered can go up to 12L p.a. as well ,

Talking about IMS UNISON UNIVERSITY , DEHRADUN . it is a private university approved by UGC.

TOP recruiters in IUU are

Radisson ,Parle,Bose ,Wipro ,Vodafone ,Mahinda Logistic ,Axis Bank ,The Lalit ,IBM Global Business Process ,XL Dynamics India Pvt. Ltd,Yes Bank ,Asian paints ,HDFC Bank , S&P Capital

And about 66% of students under managment course got placed with average annual package of 3.08 lakh .

Total fees for MBA courses is about  5 lakh in IUU.

Also you can get further compare both the colleges with career 360 college compare tool . It will help you to make a final decision .

here is the link

https://www.careers360.com/compare-colleges?college=667-5571-course=0-0