Soak the vermicelli in 1 1/2 cups of water for 2 hours. Then mash the vermicelli with fingers and add the rice flour, roasted gram powder, butter, salt, sesame seeds and red chilli powder to it. Mix well and knead a soft dough. Heat oil for deep frying. Fill the chakli maker with the dough and press the maker over the hot oil. Make small round shape chakli. Deep fry them until golden brown color on both sides. Remove from the oil and store in a airtight container. Serve as a snack.