Exam

Hello Sagar,
If you are a resident of Delhi, you can get admission in one of these institutions, otherwise it is quite difficult. You may refer link also:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

Predictor tool by Shiksha. This will help you to predict the college according to your rank/percentile:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

You say him to join the counseling process by JoSAA as rank is good, then she will sure get Good IITs. Please check the college closing rank for different IITs:
http://josaa.nic.in/Result2016/result/OpeningClosingRank.aspx

To get admission through JAC, you just have to score the minimum percentage required in these colleges, I. e, 70%. Moreover, you need to focus more on the Mains paper.

If you want to know in which colleges you get seat please go through the link:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
And fill all the options and choose the best college which suits for you. All the best.

Kindly go through the below link.
https://www.shiksha.com/jee-mains-college-predictor

Yes, you will be eligible to take admission in Panjab University for Masters in technology if you have cleared the GATE exam.

Maybe you can get admission but not in preferred branches. You can get admission in some other IIT or in new IIT. You may also refer the link:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

To get admission in DTU or NSIT, there are quite a lot of equations involved. Your category, whether from or outside Delhi, etc. Also which branch you desire. A lot depends on the permutations just mentioned above. However, score of 200 looks certain to land you admission. Thank you.

Both NSIT and DTU's admission process with respect to weightage of marks beside JEE score for 2017 is still not published on their website. You are advised to look for its publication so that you have authentic information. Thank you.