In plain words
Nirvikalpaka Samādhi is the intensely unified abiding, in the non-dual Reality, of the Citta-vṛtti formed in its likeness, with the dissolution of distinctions such as knower and knowledge.
Nirvikalpaka Samādhi is the intensely unified abiding, in the non-dual Reality, of the Citta-vṛtti formed in its likeness, with the dissolution of distinctions such as knower and knowledge.