I am a student of one of these new IITs- IIT Goa, which was established in 2016. IIT Goa is an Institute of National Importance, and is mentored by IIT Bombay. IITB supports the institution in every manner, be it for academics or infrastructure.
Here are some important features of IIT Goa-
The college is under constant development and improvement, both academically and infrastructurally. IIT Goa is a good college with a lot of potential. You can ask some seniors from IIT Tirupati, IIT Bhilai and IIT Dharwad about their respective colleges.