Correspondence Courses after 12th

Can you please tell me that after 12th with science maths which diploma courses I can do ?

[Quick Sam]

After 12th with science maths, you can do B.Tech from distance learning, for that course here I am giving you some distance learning engineering collges in which you can apply for admission:

Indian Institute of Open and Distance Learning
Rai university
Rajasthan Vidyapeeth
School of Distance learning and Continuing Education (SDLCE)
Osmania university
Indira Gandhi National Open University
Jain Vishva Bharati Institute,
Amity school of distance learning
Thapar University
Swami Vivekananda Subharti University
Karpagam University
Shobhit University
Anna university
Amity School Of Distance Learning in Education
Delhi school of e-learning
Jawaharlal Nehru University
Anamalai university
Yashwantrao Chavan Maharashtra Open University
Andhra University
Nilm university
Jawaharlal Nehru Technological University
Bharadistaan university
Sikkim Manipal University (SMU) for Distance Education
GITAM Centre for Distance Learning
Indira Gandhi National Open University (IGNOU)