Please Order these options by preference:-

Mechanical-IIT Roorkee, Electronics and Communication - IIT Guwahati, Mechanical- DCE, Computer Science Engin- NIT Warangal, Computer Science Engin- DCE

2.Mechanical-IIT Roorkee,
1.Electronics and Communication - IIT Guwahati,
4. Mechanical- DCE,
3. Computer Science Engin- NIT Warangal,
5. Computer Science Engin- DCE

This is according to me, your interest may be different