Diploma

Hey,
Here are the top colleges offering psychology colleges in India, not in chronological order.
Lady Shriram College, [LSR] New Delhi.
St Xavier's College, Mumbai.
Presidency College, Chennai.
Christ University, Bangalore.
Kamala Nehru College, Delhi University.
Sophia College for Women, Mumbai.
Mithibai College of Arts, Mumbai.

There are no specific requirements for a SAP certification. Applicants need to be graduates (B.Tech, B.Sc. Or B.Com graduates can benefit more) or have a Master's degree. Computer knowledge and a little knowledge in the area which you want to do the SAP course will be a big plus.

Delhi technological University conducts lateral entry entrance test DTU LEET for direct admissions to the 3rd semester of 4 year B.Tech programmes offered by DTU under the lateral entry scheme. It is a gateway for Diploma holders to get admissions directly in the second year of the undergraduate B.Tech programme.

12th does not come under the purview of UGC. So I guess you are safe in that regard.

Yes you can do the same.

Try to get into better colleges. The overall review doesn't look great.

For pursuing B.A. LL.B., you have to give exams like CLAT AILET bhu CET etc. The applications will start in the month of march/ april you should look then.

Institute of Engineering and Management Studies
Distance B.Tech (Lateral Entry)
Institute of Technical and Professional Studies
B.Tech
Attitude Business School Bhubaneswar.

There is no cutoff rank. Chances of getting a seat depends upon the branch you are going for and a number of seats are empty in it.