JEE

Your marks are in the top level of safe zone considering your caste. You can easily get the top of the colleges you wish for. You just need to keep an eye on the college and start shortlisting your preference so that it does't create any tension in the end.

After scoring 200+ you have all possible chances to get top IITs and NITs. You can easily get branches like Computer Science, Electronics and Communication, Mechanical, Electrical. You will get a good number of choices of branches and colleges to choose from.

The Hospitality, Hotel Management and Catering industry is one of the fastest growing industries in India. As per the report of Cumulative Annual Growth Rate (CAGR) it is second to IT sector. To enroll for the Hotel Management course, the minimum qualification required is to pass class 12th board exams with any stream. Candidates should have studied English, as one of their subjects. Candidates awaiting their HSC result can also apply for the hotel management entrance exam. The maximum age limit for the unreserved category candidate is 22 years and that of the SC/ST category students is 25 years.

JEE Mains Paper 2 and NATA, both the exams are conducted for admission into 5 years Architecture courses. This being the similarity, there are also many differences between these two courses.
The duration for both the exams is 3 Hours.
It is believed that the difficulty level for JEE Mains is higher as compared to NATA.
The institutes that give admission on the basis of JEE Mains paper 2 are NITs and GFTIs whereas by NATA you get admission into Private colleges and State level colleges, other than NITs and IITs.
The mode of exam for both the exams is offline.

https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=7476690
Just follow the link.

NIT-Silchar,Mechanical Engineering will be difficult to get,
Based on your rank you can expect colleges like -
Institute of Technology, Guru Ghasidas Vishwavidyalaya
Sant Longowal Institute of Engineering and Technology
J K Institute of Applied Physics and Technology
Indian Institute of Information Technology, Manipur
Gurukl Kangri Viswavidyalaya, Haridwar
NIT-Srinagar
HNB Garhwal University, Srinagar
You can check the below link for colleges you may expect-
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=cconnect&utm_medium=CR_JEECP&utm_campaign=7476690
Just Follow the Link.
Hope this helps,
Best Of Luck.

That's a good score to get NITs. With this rank, all top NITs will be available with Computer Science discipline. NIT-Tiruchirappalli, Allahabad, Bhopal, Surat, Warangal are the top ones. Check the below link to get the list of IITs and NIT colleges you can expect-
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.