Doing yoga in morning is most beneficial as fresh air inhaled is beneficial for Health in all term and a person start a day with positive energies in current busy lifestyle.
Steps to do Shankh Mudra
Sit in Vrijasan and use right hand thumb next part keeping with small finger of hand and with closed hand and keep it away as much as your left haand four fingers are of size as shown in picture.
Now Keep Right hands on right side of nose and close nose right side completely.
Start Breathing with mouth and close mouth as air is full in stomach.
Now outhale with voice of OO OO OO OO OO OM.
At time of Outhale do stomatch inside.
Do the same now with another side of nose next time.
Continue it for 5 minutes with rotating left side and right side.
This is also called as Bhedi Pranayam
Benefits
1.Brain Relaxation
2.Helpful for patients suffering from Brain Deseases (Mirgi, etc.)
3.Improves Eye Sight.
4.Helpful for Migrane Patients
5.Improves Blood rotation
Source
Buy a complete Hindi and English Version of Yoga in Our Products Section of Site.
