Hii Praveen

Firstly according to your jee mains or JEE advanced score you can apply to iits and NITs for energy and environmental engineering

The course is offered by IITs of kharagpur Delhi Madras Kanpur, Bangalore Mumbai Guwati

This stream also is running at lovely Professional University,  Chandigarh Universities where you can easily get admissions by walk in means to the campus itself

Many NIT are also offering this stream

So you can attend the counselling and if come under cutt off can pursue it in any government institution

Thanks and regards