Take a cooking vessel, add oil and heat it.
Add mustard seeds, cumin seeds and let them splutter.
Add dried red chillies, saute them.
Add curry leaves and allow them to crackle (stay far away).
Add finley sliced onions, slit green chillies and saute them slightly for a min or 2 but do not brown the onions.
Add the spice paste which has been mentioned in step 2.
Saute the masala on low flame until oil starts appearing at the corners.
Now add the curd and besan batter which has been mentioned in step 1.
At this stage keep stirring continuously as the batter is added to get rid of lumps.
Keep stirring for few minutes.
Add some fresh curry leaves and chopped coriander leaves.
Adjust salt by checking it and add if required.
Bring the kadhi to a boil.
Cook the kadhi for 15 to 20 minutes on low flame.
Switch off the flame.
Add the deep fried pakoras into the kadhi.
Serve the kadhi with hot cooked rice or roti or paratha