Mahamahopadhyaya Yogacharya Dr. Ashoke Kumar Chatterjee born on 24th December 1933 in West Bengal is fourth in the lineage of disciples of Yogiraj Sri Shyamacharan Lahiree Mahasaya. He received initiation in Kriyayoga in April 1961, imparted by Shri Annadacharan Sastri Mahasaya who was the disciple of Panchanan Bhattacharya Mahasaya. Mahamahopadhyaya Dr Chatterjee subsequently received initiation in the higher Kriyas from Shri Sunderlal Lalaji of Benaras, the disciple of Harinarayan Paladhi and then from Satyacharan Lahiri Mahasaya (grandson of Yogiraj Sri Shyamacharan Lahiree Mahasaya), disciple of Tinkari Lahiree Mahasaya (the eldest son of Yogiraj).