I'm getting CSE at IIT Mandi and COE at NSIT Delhi, what should I go for?

Rather than comparing both programs, I am just going to talk about why I think IIT Mandi is an excellent choice for you

• You cannot doubt the parity of the professors at IIT Mandi when the director himself is from a CSE background.
• The flexible curriculum of IIT Mandi offers a plethora of interdisciplinary subjects to choose from in addition to the core courses. 
• IIT Mandi CSE placements are good with 83 out of 84 students being placed this year. 
• This year, IIT Mandi's highest package was recorded at INR 60 LPA while the average stood at INR 25.23 LPA.
• IIT Mandi also offers decent internship opportunities, especially in CSE. Foreign internship offers are also made.
• IIT Mandi has a rich coding culture with the programming Club of IIT Mandi promoting the same. 
• Lastly, the location and scenic ambiance of IIT Mandi campus are cherry on the top.

So without much hesitation, go for IIT Mandi!