firstly, in a large bowl take 2 cup maida, ½ tsp salt and ¼ tsp baking soda. mix well making sure everything is well combined.
now add ¾ cup curd. you can alternatively use buttermilk.
mix well with your hand in one direction. add water if required.
beat the batter making sure to incorporate air well.
now add 1 tsp cumin, 3 chilli and 2 tbsp coriander.
mix well making sure everything is well combined.
cover and rest for 3 hours for best results.
after 3 hours, mix the batter again.
now dip your hand in cold water and pinch a small ball sized batter.
drop it in hot oil keeping the flame on medium.
stir and fry uniformly on medium flame.
drain off the bajji once it turns golden brown and crisp.
finally, challa punugulu is ready to enjoy with coconut chutney.