Hi,
Here is the list of colleges which provide PhD course in mining engineering  -

IIEST shibpur

IIT kharagpur

Visvesvaraya national Institute of technology,  nagpur

IIT bhu

NIT rourkela

IIT dhanbad

Shri padampat singhania university,  udaipur

Professor Rajendra singh university,  prayagraj

Sangamon university,  bhilwara

Shri Krishna university , chatarpur

For more colleges click on the link mentioned below
https://engineering.careers360.com/colleges/list-of-phd-in-mining-engineering-colleges-in-india