Great lakes is very good institute and has very good placement records in renowned companies. It has been ranked 3 by Outlook, ranked 9th by Businessworld in 2019 & in 2018 by NIRF ,MHRD. 9- 10 lakh is Average salary, and highest salary till 13-14 lakhs for pgpme course.
https://www.google.com/amp/s/bschool.careers360.com/articles/great-lakes-institute-of-management-gurgaon-final-placement-2017/amp

Hello there. Hope you are doing good. I would like to tell you that Great Lakes has very well proven record of the students placed under PGPM program. Last year, the highest package offered to a student of PGPM was Rs 29 Lakhs per annum and the average CTC was Rs 13.1 Lakhs per annum. Many top companies such as Accenture, Deloitte,TCS, Infosys, Cognizant, Barclays, HSBC, Aditya Birla Capital and many other companies visiting the campus and offered the students a handsome package. You can definitely consider Great Lakes as an option to pursue PGPM.

I hope you found this answer helpful. Good luck for your future.