Hey,
Here is the list of some of the colleges in Rajasthan that offer Bachelors in Computer Applications(BCA):
1.Jagannath University,Jaipur
2. Pacific University,Udaipur
3.Lucky Institute of Professional University,Jodhpur
4.Jodhpur National University,Jodhpur
5.The IIS University,Jaipur
6.VMOU,Kota
7.Shree Karni College,Jaipur
8.Birla Institute of Technology(BIT),Jaipur
9.NIMT Global Institute of Management and Technology(NIMT),Jaipur
10.Compcum Institute of Information Technology and Management(CIITM),Jaipur
11.Sun Institute of Management and Technology,Udaipur
Hope this helps.
Good luck.

Hello harish!! 

The top colleges of Rajasthan for BCA are the following - 

1. Jaipur national university

2. University of engineering and management

3. Manipal university 

4. Banasthali vidyapith

5. Mody university of technology and science, Sikar 

6. Bundelkhand university , Jhansi

7. Jodhpur national university

These are some of the best universities in Rajasthan for BCA 

Hope it helps you

All the best !!