Here you will find a short video clip from the documentary 'Conversations with Dada Chandranath' from 1995 by Devashish Donald Acosta.
The clip includes an Ananda Marga yogi (Acharya Chandranath Kumar) in *Nirvikalpa Samadhi* followed by a short description of *samadhi* by him.
The clip is reproduced with permission from Devashish Donald Acosta.
The interview is also available in a book format under the title "When The Time Comes: Conversations with Acharya Chandranath Kumar" by Devashish