Shear the corn kernels off the cob,Combine with the rehydrated mung dal, chili, asafetida & salt in a food processor & process to a coarse & chunky thick paste/batter. If the batter appears runny, add the rice flour to thicken it to the consistency of cookie batter.
Heat the oil in a pan, Using a cookie dough scoop, ladle batter onto your palm & flatten. Gently drop the flattened batter into the hot oil & fry till golden brown on both sides. Remove with a slotted spoon onto paper towels to absorb any extra oil. Serve hot with any chutney or aioli of your choice.