Mala is Fed Up With Her Husband

Gopi and Gulgule are going to watch a film but Gopi's bike breaks down. Next day, Mala and her husband are called to the chowki again as Mala complains that because of his husband's handwashing habit, their daughter's wedding has been cancelled. Chandramukhi has a plan to help Mala's husband get rid of this habit. How will she do it?