dear student,

BITS Pilani is obviously the best engineering institute in Rajasthan.

Rank of other colleges in your list is as follows:
1. BITS Pilani
2. MNIT Jaipur
3. LNMIIT
4. IIT Jodhpur
5. SKIT
6. Poornima College, Jecrc
7.  Amity, RTU
8. Arya and other few
and so on...........

hope it helps!!