Tricolor Idli: To make Tricolor Idli on the occasion of Republic Day, soak three cups of rice and one bowl of washed urad dal overnight. Grind it in the morning and make a thin batter. Now divide this batter into three parts. Put carrot puree in the first, spinach puree in the second and leave the third white as it is. Now while steaming idli first add orange colored idli batter, then white colored idli batter and lastly add green colored idli batter and steam it for 15 minutes. Your tricolor idli is ready.