In the year 1996 Nirmal Kriya i.e. process of enlightenment was revealed unto him by Sri Mahavatar Babaji while he was at his residence.
The story of Lahiri Mahasaya receiving initiation into Kriya Yoga by the yogi Mahavatar Babaji in 1861 is recounted in Autobiography of a Yogi.
Kriya Yoga is an ancient yoga system revived in modern times by Mahavatar Babaji through his disciple Lahiri Mahasaya and brought into widespread public awareness through Paramhansa Yogananda's book Autobiography of a Yogi.
Sri M is a living Yogi and disciple of Sri Maheshwarnath Babaji who in turn was the disciple of Mahavatar Babaji.