Take onions in a bowl. Add salt, mix well and set aside for 10-15 minutes.
Heat sufficient oil in a kadai.
Add chili powder, turmeric powder, coriander powder, cumin powder, carom seeds and chopped coriander and mix well.Add gram flour and rice flour, mix well.
Drop small portions of the onion mixture in the hot oil and deep-fry till golden and crisp. Drain on absorbent paper.
Slit green chilies and deep-fry in the same oil. Drain on absorbent paper.
Sprinkle chaat masala on bhajiyas and mix well.
Sprinkle salt on fried chilies.
Serve hotbhajiyas with fried chilies.