Firstly, in a bowl, add yogurt, add besan and whisk it well.
Add turmeric powder, roasted coriander seeds powder, roasted cumin seeds powder into it and whisk it well until there are no lumps formed into it.
Strain the kadhi batter.
Add the kadhi batter into a cooking vessel.
Switch on the stove.
Gradually keep adding water and start stirring continuously to avoid any lumps.
Add water as per the consistency required.
Keep stirring continuously for few minutes.
Add salt, add green chillies, add coriander leaves, curry leaves, add sliced onions and mix well.
Keep stirring for every 2-3 minutes.
Cook the kadhi for 20 minutes on sim flame.
Set the kadi aside and make pakoda to add into the kadhi.