JEE

No, you can't get admission in IIT Kharagpur with JEE Mains and 12th score.

To get admission in IIT Kharagpur you need give JEE Advanced exam and pass with good rank.

No, Cluster Innovation Centre only accepts the CUET exam scores for admissions into both BTech and BA courses. Candidates who have applied for JEE entrance exam will need to apply and appear for the CUET exam separately if they wish to enrol in the courses at Cluster Innovation Centre. The admissions into CIC are merit based for which, a cutoff is released for the CUET scores.

While securing a seat in top NITs and IIITs is difficult, you may have a chance at some GFTIs (Government Funded Technical Institutes) or reputed state-level government colleges for less popular branches like Civil or Mechanical Engineering. For top branches like CSE, you should consider private engineering colleges.

You can try at Punjab Engineering College, UIET Chandigarh, NIT MIZORAM many options are there if you are trying at India it easy to get admission 

Yes, IPU issues distinct counselling schedules for:

• IPU CET-based programmes
• JEE/NEET/NATA/CLAT-based programmes

Candidates must refer to the official website ipu.admissions.nic.in, and check the programme-wise counselling notices to ensure they don't miss any important dates relevant to their chosen course.

Choosing JNTU Hyderabad CSE is best in my opinion because it is in a good city, whereas NIT Andhra Pradesh is in a village.

JNTUH is well established, whereas NIT Andhra Pradesh is still in the process

Even the fee will be higher for NIT Andhra Pradesh than JNTUH.

With a JEE Main rank of 90k one can count on colleges like J.C. Bose University (YMCA), Faridabad, DCRUST, Murthal, Maharaja Agrasen Institute of Technology (Delhi) through JOSAA/State counselling that are located in Haryana, Gurugram or Noida. These government/semi-government colleges will have CSE at a very low fee (?40K–?80K/year). You should also check out HSTES counselling in Haryana, which will consider every low fee option under these schemes where your fees will be extremely low due to OBC/EWS quotas.

With 37 percentile in JEE Mains and around 80700 rank, as a SC category student it will be very hard to get a seat in good government engineering colleges, because even with reservation the cut off is usually higher. But still you can try in some of the less popular branches or in newly opened government colleges where competition is less. Your 59% in HSC is enough for eligibility, so you can also look for state level counseling and some private colleges as backup.