For preparing vellarika kaalan, first take a vessel and boil water. Add turmeric powder, chilly powder, green chillies, curry leaves and cucumber.

Remove from flame when the cucumber pieces are done and allow it to cool.

Add curd and salt to it.

Heat this mixture again and add little water. Stir continuously, do not boil.

Heat oil in a pan, splutter mustard seeds, red chillies and fenugreek seeds.

Add this to the curry and remove from flame. Serve hot with rice.