1. Soak the above ingredient overnight and grind it to a coarse batter.
2. Add salt, turmeric powder, asafoetida to it according our taste.
3. Chop finely one onion, few curry leaves and add to the batter.
4. Fry the dosa pouring gingelly oil.

For Chutney :

1. Grind the above ingredient to a coarse paste / just turn once in the mixer grinder.
2. Serve hot the Ada Dosai with the Chutney (Thuvayal).