Question

what are the reasons for the thermal power plants being located at those specific places?

Answer 1

Thermal power plants required to main things before installing -
1. A coal mine area
2. A source of Water

This is why if you see many Thermal power plants like Rawatbhata (in Kota), are situated near River or Dam or any lake. So that they can get continuous water supply.
And apart from this People’s safety is also necessary. So these plants always get install at a far distance from human population like Nuclear Power Plants.