maha = great, a lot
prana = vital force
dhvani (divani) = sound
prana = vital force
dhvani (divani) = sound
It is performed as a humming sound, while concentrating on the centre of knowledge on the top of the head and visualising white colour.
Mahaprana Divani increases memory power and intellectual capacity.
It is advisable to sit cross-legged, hands in Gyan Mudra, when practising.