All these Anguli Mudras has to be practiced 15 mts in the morning and evening regularly. Courtesy : Prof Dayanand verma , New Delhi. He was honoured with the YOGA RATNA award by the world conference of yoga held in 1986.
This Mudra i have done many times and personally benefited.
It cures, all types of Headaches, like headache caused due to sinus, climate change etc.,
Try for yourself.