Cover it with a lid. Make prawn fillings: saute chopped shallots, ginger garlic crushed, in a pan with required oil. When it becomes light brown, add chilli powder,salt & curry leaf. Stir it well, then add crushed roasted prawns. Stir it 2 min. Remove from heat.

Flatten the dough with a roller into round shape & cut it into a square piece. Then fold it as shown in the pics

Fill the prawn fillings in the center & fold it with care