now heat 2 tablespoons of oil in a pan and add the snake gourd pieces and after 2 to 3 mins add the chillies. Allow them to fry for few mins till the color is changed and let it cool.
now take the pieces into a jar and grind them lightly. To this mixture add the curd and the salt.
heat 1 tablespoon of oil and add chana dal, mustard seeds, jeera, red chillies and curry leaves and mix this thing in the above mixture.