Lateral entry

IITs and NITs does not offers admission in B.Tech courses through lateral entry for Diploma engineers. You should seek admission in Maharashtra state Engineering Colleges through CAP rounds conducted DTE Maharashtra. For more details visit http://cetcell.mahacet.org/

I guess having maths is not at all compulsory in determining whether you will be able to study PGDCA or not. And yes, you can go for lateral entry.

Yes, to get a more detailed analysis of the names and details o the colleges that provide the courses you can try out shiksha's official college predictor.

Hello,
Kindly predict your college through this college predictor. The rank predicted might not be accurate, but it certainly gives an idea to the aspirant. https://www.shiksha.com/college-predictor

Hello,
Yes, you can think of doing your engineering graduation in what is called as lateral mode of admission. This college has almost sixty seats for students seeking admission under lateral mode. Under this mode, the admissions are based on the merit less prepared on the basis of marks obtained in the last year of Diploma. You will have to register yourself on the website of TNEA for seeking admission
Best wishes to you.

Hi,
I hope you are doing well. To answer your question, yes JEE Mains offers lateral entry in NIT's or GFTI's for any course you want to take admission.