Heya Mayank, 

The general management course is generally a 2 year course which is provided by various institutes like IIT Roorkee and Kanpur at about 3 lakhs for full course, in NITs like NIT Warangal at 2.50 lakhs, NIT Surakhtal, BITS Pilani, Mesra, Jamia Millia Islamia as well as IIMs of course. You can check the fee and colleges using below provided link.

https://bschool.careers360.com/colleges/list-of-general-management-colleges-in-india

This will provide you more information related to the topic. 

Hope it helped you.!!