What is Nirvikalpa Samadhi?

The following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

Questioner (Q): Sir, my assumption about the Nirvikalpa Samādhi and Jāgrat Suṣupti that you talked of is that in that state, one enters into the ‘new’ each moment as one doesn’t allow the ego to make its grip on to anything. Is the fate or state of the one in that choiceless state different from the one not in that state after the…