Tatvgyan Sandesh (तत्वज्ञान संदेश) - Sant Rampal Ji

Tatvgyan Sandesh (तत्वज्ञान संदेश) is a collection of 85 one hour satsangs done by Satguru Rampal Ji Maharaj in 2004 at various places. 

Part 1-6 - Srishti Rachna (Not included). Available in Paribhasha Prabhu ki (Part 1-5)
Part 7-21 - Satsang - Karawal Nagar, Delhi, 6-9th April 2004
Part 22-26 - Srishti Rachna (Not included)
Part 27-46 - Satsang - Narela, Delhi, 11-14th April 2004
Part 47-51 - Srishti Rachna (Not included)
Part 52-62 - Satsang - Jind, Haryana, 16-19th April 2004
Part 63-72 - Satsang - Kaithal, Haryana, 24-27th April 2004 
Part 73-77 - Srishti Rachna (Not included)
Part 78-85 - Satsang - Barwala Ashram, Haryana, 28-30th April 2004