To make haldi doodh for a cough, add 3-4 crushed black peppercorns, 2-3 crushed cloves, 1-inch piece of cinnamon stick (crushed), 5-6 Indian holy basil leaves along with the regular recipe, and boil the milk for 10-15 minutes. Strain and sip warm. You can also add some dry ginger powder to this concoction.