Diploma

Yes, you can try for Thapar Institute of Engineering & Technology. Their eligibility criteria are:
(i) The candidate has passed 10+2 or equivalent examination with at least 60% marks (55% for SC/ST candidates) in aggregate of three subjects, namely, Physics, Mathematics and any one subject out of Ch

Hello Vishwesh, those who belong to General category must score above 80% aggregate.
Good luck. Thank you.

By cracking exam of your Telangana state examination.

Yes, but on the basis of class 12th result, no the diploma as NIFT requires 3 years of a diploma from NIFT or NID. So, you can apply through your class 12 result basis.

Now, NIFT is providing CE programmes instead.

I searched in the official website of MHSSCE, but I didn't find anything about Diploma in Automobile Engineering. Instead, I got information about B.Tech in Automobile Engineering. I would like to suggest you that you directly contact them, following link will direct you to their contact details.
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Diploma in Photography is a 1-year graduate Diploma level Photography programme. The minimum eligibility is the 10+2 from a recognized school board or its equivalent exam. Interested candidates can get admission in Diploma in Photography on the basis of candidate’s performance in a relevant entrance

Yes, of course you can apply. More than India, there is high requirement of Automobile Engineers abroad. I would like to suggest you that you can apply for jobs in Dubai or Germany. Because these two are the places where there are high requirement of Engineers.

I found two colleges in Kolkata for Diploma in Automobile Engineering. Following is the link where you can find the details about it. https://www.shiksha.com/search/?q=Diploma+in+automobile+engineering&sp[]=45&qer=0|0|0|0|0|0|45|0|0|0|0|0|0|0|10|0&sa=130^0^0^45^0^0^0^0^0^0^0^10^0^0&rf=searchwidget&c