Puran Poli is a sweet flatbread savored on almost all the occasions in India. Served piping hot preparing puran. Rinse the chana dal first very well in water. In a pressure cooker, cook the chana dal for 6 to 7 whistles. Keep the stock aside. Heat ghee in a pan and add the dry ginger powder, nutmeg powder, cardamom powder and fennel powder. Add the chana dal and jaggery.