First make the crab stew and keep aside for deepened flavours.

Heat oil in a deep sauce pan. Add mustard seeds. Let it splutter. Now add the broken red chillies and curry leaves. add the chopped onions and saute till transparent. Now add the ginger garlic paste and saute till raw smell disappears.

Now add the spice powder except garam masala powder. Add the tomatoes and salt to season. Mix,cover and cook till tomatoes are mushy.

Now open and add 3 chups of water. Add garam masala powder.add the tamarind juice.Cover and let it boil on high.

Check if onion are soft. Once soft add the crabs.

Now let it boil on medium flame for 5 to 7 minutes. Add chopped coriander. Cover and leave aside. Crab stew is ready

For the string hoppers. Add 2 cups water to a vessel with a to salt and 1 tsp oil. Boil. When it boiling add the flour. Switch if the gas. Stir well. Check if onion are soft. Once soft add the crabs. Cover and leave for 15 minutes.

Open and knead on a plate for 2 minutes. Divide the dough into 2 halves. Cover and keep one half aside. Mix coriander chutney in the other half.

Now keep the steamer ready with water. Let the water boil. Grease the idli plates as well as the sev press machine in and out.

Pinch ball of one colour. Add to the machine. Press on the idli plate in a circular motion.Repeat same with the other colours on other plates. Now steam for 15 minutes.