Dear Harsh,

You have internet in Bachelor of technology in Computer science and engineering and Electronic engineering.You completed your diploma.So, you are finding good government engineering colleges in Uttar Pradesh, Karnataka and Delhi.

According to me, you can opt for these colleges listed below:

In Uttar Pradesh:

1)Rajkiya Engineering college, Azamgarh

2) Rajkiya Engineering college, Mainpuri

3) Kamala Nehru institute of technology, Sultanpur

4) Rajkiya Engineering college,Banda

5)B.I.E.T ,Jhansi

6) Rajkiya Engineering college,Kannauj

In Delhi:

1)Delhi Technological University

2)G.B Pant Institute Of Technology

3)Netaji Subhash University of Technology

In Karnataka:

1) Government engineering College, Kushalnagar

2)UVCE,Bengalore

3) Government engineering College,Devagiri

4) Government engineering College,Badanaguppe

5) Government engineering College,Talakal Koppal

6) Government engineering College,Karwar

Etc...and many more

For more details you can also go through college predictor tool which will provide you enough information by entering details whatever it takes. The link is given below-
http://www.engineering.careers360.com/articles/upsee-college-predictor
Hope it helps.

Best of luck for your future journey