For deep frying. Heat Oil in kadai. When the oil is hot. Fry the four gulab jamun at a time in slow flame. After putting the gulab jamun keep on stirring the oil so that the gulab jamun will not stick to the kadai. Repeat the same procedure. Once it is done. Dip the gulab jamun in hot sugar syrup and boil for few minutes. If you boil the gulab jamun. The gulab jamun will become in big size.