Even for nit+ system there are 6 rounds of counselling and the same 6 rounds for iit system but for nits for the left over seats a special counselling called csab counselling is organized where you can apply directly for the vacant seats after the josaa counselling apart from nits csab is also organized for iiits and gftis.
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile