Kaleswara mudra is very useful to eliminate the addictive behavior.
How to perform kaleswara mudra: Place the finger pads of your middle finger together, touch the first two joints of the index fingers and touch your thumbs.Bend your other fingers inward.Point your thumbs toward your chest and spread elbows to the outside.
This mudra calms the flood of thoughts in the mind.This mudra also helps to change your character traits.Removes addictive behavior.