German

No Rajani, sorry to say, but neither will be NIOS acceptable not will Diploma. NIOS still can be considered after an evaluation or assessment by the universities, but Diplomas don't qualify for further studies. You have to clear the IIT-JEE Advance or study the first year of a B.Tech programme in India to be eligible. Or, you think of applying to other countries like Poland, Ireland, Denmark, Netherlands, Australia etc.

You should. Do integrated CA 5 year programme. That's it. Its your graduation and post-graduation also.

First of all you have to pass the entrance exam of JNEE.

Yes, it offers it as a certificate course in part-time mode and the duration is 6-months.

Eligibility: In order to pursue a Bachelor's degree in any foreign language, the candidate must have cleared the higher secondary school certificate or 10+2 from a recognized board. The duration of the Bachelor's course is mostly three years.