In a big bowl, add corn rawa.
Add Chettinad paste, salt, curry leaves powder, cumin powder, ginger paste, chopped green chillies, semolina/rawa, chopped cilantro, green peas and yogurt.
Give it all a good mix. Add little water to give it a thick batter consistency.
Now add baking soda to the batter, once it starts to become frothy, mix it into the batter.
Grease a dhokla plate using a cooking spray. Place it in a steamer/Idli cooker/Instant Pot and steam it for 12 minutes.
Once done, allow it to cool for a couple of minutes. Then using a pizza cutter, cut in squares