You shall not find govt institutes taking admissions for Msc on graduation percentage totally. There will be entrance exam you will be required to clear.

Some of the good institutes for Msc are:
National Institute of Technology, Agartala

National Institute of Technology, Jalandhar

National Institute of Technology, Surathkal

National Institute of Technology, Warangal

National Institute of Technology, Durgapur

National Institute of Technology, Roorkela

National Institute of Technology, Silchar

National Institute of Technology, Trichy

Indian Institute of Technology, Roorkee

Indian Institute of Technology, Kanpur

There is an entrance for Msc program.