Take idlli batter and add salt.now take three part of batter.now in one part of batter add Orange colour.mix it.now take second part add green colour and mix it.made three different batter of idlli.

Now put steamer on gas.Grease oil to a plate.add green colour idli batter and Steam for 10 to 15. After add orange batter and steam for 10 to 15 minute.now add white idlli batter and steam for 10 to 15 minutes.

After cools down the idlli cut them.take a big vessel heat oil.add sesame and cumin seeds.add idlli and coriander leaves and mix.it's ready.