Pulse sugar in a mixer. Sift together flour and salt.
Cream together butter and sugar till the sugar dissolves. Add in 1.5 tbsp curd and continue beating.
Add in the swift flour, chopped chillies, coriander leaves, curry leaves. Mix gently using your fingertips or spoon .
You will observe that the dough is crumbly in texture .In that case add the remaining 1-2 tbsp curd. Gently knead it and make a non -sticky dough.
Allow the dough to sit for 10-15 mins. Cover the dough and keep .
Meanwhile preheat the oven for 10 mins at 160 deg.
After 15 mins, take a big ball of the dough and using a rolling pin roll to make a smooth medium thick chapati. While rolling if you want use maida, wheat flour for dusting.
Now take a cookie cutter or a circular lid, dip into dry flour and cut into small biscuits.You can use any shape of size as per your choice. Gather the remaining scrapings, roll out again and repeat the process till the entire dough gets cut.
Spread a butter paper on the baking sheet and arrange biscuits over it. Using a fork prick the cookies to make wholes.
Bake them at 180 c or 350 F for 10 mins.After 10 mins, take out the cookies, set the temperature of the oven to 170 C or 325 F and bake for another 8-10 mins or till the cookies become golden brown.
Remove the cookies from the oven, allow it to cool completely. Store them in air tight containers and relish!