NIT Trichy - National Institute of Technology

There are less chances. Can I know which stream you are looking for?

You can use the above link to know about your future college based on JEE marks: https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=cconnect&utm_medium=CR_JEECP&utm_campaign=4479470.

Well, when it comes to DSM, it has got a brand name big enough that a recruiter pays an eye to your profile. Secondly, the location is a major advantage. Located in Delhi, you have many startups based out of NCR visiting the campus. You have the flexibility to go for an off-campus as well.
The campus is very dynamic and you have various events /conclave/seminar happening all throughout the year. The infrastructure is again very new. And you have an excellent team of faculty members to guide you.

Try JEE college predictor to Predict engineering College you can get on the basis of your JEE rank. https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=cconnect&utm_medium=CR_JEECP&utm_campaign=4067795.

Try JEE college predictor to Predict engineering College you can get on the basis of your JEE rank. https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=cconnect&utm_medium=CR_JEECP&utm_campaign=4067795.

You must get a rank below 700 if you are not from home state and below 3500 if you are from home state itself.
You can check last year's closing ranks here : https://josaa.nic.in/result/result/openingclosingrank.aspx

Mostly, you won't get a seat in NIT Trichy as last year's closing rank for Other state quota was 831. If you are Tamil Nadu itself, you might have a chance. You can check last years opening and closing ranks here - https://josaa.nic.in/result/result/openingclosingrank.aspx.

As ECE is one of the most sought after branch in NIT Trichy, 250+ would be a safe score as only JEE score is considered for the admissions now.

He may get admission but not in the main branches. As it top among NITs it would be difficult to get a good branch with that score.