Guru V met Saint K.
Guru V did namaskar
Saint K did namaskar back.
Guru V said “you do not know how to do namaskar”
Saint K was offended. But surrendered to Guru V
Guru V said I am from beyond Varanasi
Saint K said he is from Kankavati.
25 years later, Saint K was enlightened.
The above story has all the profoundest knowledge of Brahma vidya.