Clean the colocasia leaves. Take plenty of water add baking soda. Wash the leaves and keep a side.

For batter: in a bowl add flour, buttermilk, dry masala, salt sugar. Mix it all well. It should be thick batter.

Now washed leaves and batter is ready. Clean the kitchen surface. Place the whole leaf apply the batter on leaf. Place the second leaf on it and apply the batter. In same way third leaf apply the batter.

Close the leaf from both side. Apply batter. Roll the batter. Make tight roll.

Put the steamer on stove. Add water on low flame on that place the steamer plate. Purge leaf roll in the steamer plate. Make all roll. Close the lid. Let it steam for 30 min. Check it with toothpick.

Off the stove. Let it cool completely. Cut the roll with thread.

Cut all the pieces ready. Now temper it. Keep pan/ kadhai on medium flame. Add oil, mustard seeds, let crackled. Now add green chillies sliced, sesame seeds. Let crackled too.

Add red chilli powder, sugar, lemon juice, water. Mix it.

Now add pieces of colocasia leaves. Mix it well.

The tempering will coat the all pieces. Toast it for 5 min more and serve with ketchup.