You can go for IES in which there are many seats for mech. Its  very prestigious exam.

Dear
It depends on your talent we can't decide salary without judging

Dear

Now days Students diversify their knowledge and skills to get good growth and salary wise too
With your Mechanical Engineering degree you can think of Aerospace engineering , Robotics , Environmental technology, solar engineering .

With these degree you may get the salary range between Rs. 7,00,000 to Rs.18,00,000 lakh p.a and could be more and that is totally depend on college brand value , companies interaction and specially your expertise , skills and knowledge too.

All the best