Make some vadai. Check this link for how to make vadai.

Now make the curd mixture, Take curd in a bowl and beat well.

Add in carrots, green chilli and coriander leaves in this and mix well.

Now add in salt and sugar and mix them well.

Make tempering by heating oil and crackling mustard, urad dal and curry leaves in that. Pour this over the curd mixture and mix well.

Now lets assemble the curd vadai. Take fried vadai and soak them in boiling water. Leave them for 1 mins in the water and drain them.

Put them in a bowl and pour the curd mixture over  it.

Leave them to soak for 30 mins.

Serve them with more carrots on top.