As per your request here I am telling you the contact details of some good Government colleges for admission to B.Tech. programs for diploma student:

Cochin University of Science and Technology
Thrikkakara, South Kalamassery, Cochin, Kerala 682022, India ‎
+91 484 257 7550 ‎

Kalinga University
Village Kotni, Po Palaud,Tahsil Aarang,New, Mana Camp, Chhattisgarh 492001, India ‎

Manipal Institute Of Technology
Manipal.edu, Manipal Dr, Madhav Nagar, Eshwar Nagar, Manipal, KA 576104, India ‎

Guru Gobind Singh Indraprastha University
Sector 16 C, Kakrola, New Delhi, Delhi 110078, India ‎
+91 11 2530 2170 ‎

Sant Longowal Institute of Engineering and Technology
Longowal Campus Rd, Longowal, Punjab 148106, India ‎
+91 167 228 0057 ‎