As per the information available online, NIT Delhi new campus is going to start from the year 2022, in the offline mode. So till now its not open, but its expected to be open for the students from 2022. No tentative dates are available but it can be expected with the starting of the new batch of 2022, the campus will be opened for NIT Delhi.

To know more about the NIT Delhi visit the link below:

https://www.careers360.com/university/national-institute-of-technology-delhi

I hope this answer helps. All the very best for your future endeavors!