Varuna Mudra (Mudra of Water):

Method:
Tip of little finger touches the tip of thumb, with the other three
fingers stretched out.
Specialty:
It balances the water content and prevents all diseases which
come due to lack of water.
Time Duration:
It has no specific time duration and one can practice it
according to their time.
Benefits:
It retains clarity in blood by balancing water content in the body
Prevents the pains of Gastroenteritis and Muscle Shrinkage