MCA

Both the universities provide MCA lateral/distance for MCA. I would recommend BVP Pune for the same, check the link below for details :
https://www.shiksha.com/it-software/course/master-in-computer-application-school-of-distance-education-bharati-vidyapeeth-university-navi-peth-Pune-87231
https://www.shiksha.com/it-software/course/masters-of-computer-application-lateral-entry-amity-university-Noida-232116.

If you have 3 years of teaching experience, will recommend you to join the same domain. What you can do is to first update yourself with all the necessary knowledge to crack the interview and then search for the suitable jobs.

Yes, Amity accepts lateral entry for MCA. Check out the link below for details:
https://www.shiksha.com/it-software/course/masters-of-computer-application-lateral-entry-amity-university-Noida-232116.

Hi Karan Raj,
It depends where abroad you are planning to study. NIT is among the best in India for technical studies. And if you are going abroad you have to see if it's a good college. You can compare and then decide.

No, University or College commonly asks for such a certificate. So there must not be any need to. Make and send one such certificate. Besides, you can only make an affidavit or a verification certificate that your are in General caste. Actual purpose of a Caste Certificate is to claim Reservation.

Yes, Galgotias University provides lateral entry in MCA.

Yes, NIMCET opens doors for many other reputed colleges other than NITs. NITK Surathkal accepts only NIMCET.

In Chennai, there are many best colleges to complete MCA, like Ramachandra University, Loyala College etc. consists best facilities and education.