JEE

Preparation strategy for JEE Main and Advanced is mentioned at the link provided below. To boost the success probability with your JEE study plan, Shiksha gets you important pointers from top faculty members of leading Test prep Academy, Aakash, on the preparation strategy for JEE Main and Advanced,

You should be between 3k to 5k to get admission in IHM-Mumbai in 1st round. And for 2nd round, you must be between 5k to 7k. I suggest you to not join IHM-Mumbai or any other hotel management course, better do simple B.Sc.
I am writing this because, I got IHM Mumbai in 2017 in 1st round of counsellin

NEET and JEE are two very different paths. The only similarity between the two being their competitively. JEE has a bit higher standard questions than NEET. The bade being the same for the two, that is boards, they both diverge their different paths and different question patterns.

Yes, chances are quiet high. If your rank is below 1 lakh in general category, you may stand a chance.

List of top 3 JEE preparation institutes in Pune are mentioned below:
1) Bakliwal Tutorials IIT Pune
2) M Prakash Academy Pune
3) IITians Prashikshan Kendra Pune
Regards.

You can easily get admission in B.Tech but I have doubt regarding B.Arch on your score.

See, books doesn't matter, what matters is how much concepts are clear to you. Also, how would you be able to think analytically.

Yes, you can get admission in that college but you can face some problem if you don't have home state quota.

Yes, he can get NITs but not any of the IITs.

BITSAT, UPSEE, VITEE, WBJEE Code-K and MHCET are the major ones.