Sanjeev Sabhlok spoke about SBP's ideology at the SBP national conference in 2017 [Youtube]
Sanjeev Sabhlok (2017, Delhi) on SBP's ideololgy (see Youtube):
Anil Sharma (Delhi, 2017) on liberalism (see Youtube):
Rabi Kant Bharti - Delhi, 2017: What is freedom? आज़ादी क्या है? और कहाँ तक? (on Youtube)
Rabi Kant Bharti (Delhi, 2017) - on the role of government (in Bengali) সরকারের কি কাজ? (on Youtube)
Rabi Kant Bharti explains SBP's ideology to villagers (Bhadohi, 2018) (See Youtube):