How to do it?
1: Use the right hand, folding the index and middle fingers inside the palm.
2: Use the right thumb to close off the right nostril.
3: Inhale slowly through the left nostril
4: Pause for a second
5: Now close the left nostril with the ring finger and release the thumb off the right nostril
6: Exhale through your right nostril
7: Now, inhale through the right nostril
9: Use the thumb to close the right nostril
10: Breathe out through the left nostril
11: This is one round. Start slowly with 1 or 2 rounds and gradually increase. With practise you can start inhaling for 4, holding for 4 and exhaling for 4.