IIT

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Yes, you can attempt JEE Mains.

I think Allen is the best for IITs.

M.Tech in power electronics and M.Tech in microelectronics and VLSI Design are the two renowned streams in M.Tech which are known. For more details, go to shiksha.com and search for M.Tech electronics IIT/NIT for more relevant information.

No, IIT doesn't have any specific automobile engineering branch. It is a small part of mechanical engineering. If you want to work as an automobile engineer then you can take mechanical engineering in IITs and from there you can get into automobile companies.

Hi,
The salary range varies depending on lot of factors. It is specific to an individual's ability, as well as the course he has opted for and also the company in question. For example tier 1, tier 2 and tier 3 companies offer different range of salaries and that too, depends on role and responsibility.

Yes, you have good chance of getting seat in IIT. But, you should also score good rank in your category in order to get IIT.

Hello,
No, you cannot apply for M.Sc physics in IIT. Because, to apply for M.Sc, Physics is that you have to pass B.Sc in Physics.