Adjust the green chili according to your taste.The Rice and water ratio is essential to get the perfect texture of the prawn pulao, so be careful. Use standard cups and spoon measurements to measure the ingredients for the best results.I have used medium prawns, but small, jumbo, or tiger prawns also work great. Use fresh prawns or frozen prawns. If using frozen shrimp, then thaw them before cooking.Adjust the green chillies according to your taste.