Heat little oil in a pan, add shallots, garlic, green chilli and saute for a while
Add urad dal and fry till golden brown
Pluck the mint leaves from the stem, wash it thoroughly for 3 times and drain the water
Then add mint leaves and saute till it shrinks just a little but be sure not to change the colour
Switch off flame, add grated coconut and give a quick stir
In a mixer,add tamarind piece, turmeric powder, salt and grind it
Pour water little by little and grind it to a smooth or coarse texture as preferred
Transfer it into a bowl