Colleges in Telangana

You might have a chance if you have any reservation criteria else give it a try. You have very great chance to get into this institute with this rank. Attend the counselling and choose your options appropriately.
MGIT
VJIT
CVR
CVSR
MVSR
VIGNAN
Try Shiksha college predictor for better analysis.

OU is a government funded university whereas CBIT is not. Culture in OU is different to that of CBIT.
I think OU is better for placements and other stuff.

It depends on the course you choose and caste you belong to, once go through this college predictor:
https://www.shiksha.com/b-tech/resources/ts-eamcet-college-predictor

I think you can't get a seat in CBIT, you can once go through the college predictor:
https://www.shiksha.com/b-tech/resources/ts-eamcet-college-predictor

Definitely yes,you might have a chance if you have any reservation criteria else give it a try.You have very great chance to get into this institute with this rank.
Attend the counseling and choose your options appropriately.

For every branch and section 6 seats are allotted.

No, that is not possible. You have to appear for JEE Mains once again next year to get your seat next year.

https://www.shiksha.com/hospitality-travel/hotel-hospitality-management/ranking/top-hotel-management-colleges-in-india/98-2-0-0-0
These are the top colleges for the course you desire.