Before revision: The path to extrasensory experience of soul is termed as Bhed Gyaan in scriptures like Samayasāra, Gyaansaar and works of Shrimad Rajchandra.
After revision: The path to extrasensory experience of soul is termed as Bhed Vigyān in scriptures like Samayasāra, Gyaansaar and works of Shrimad Rajchandra.