firstly, in a large mixing bowl take 1 cup rice flour and add salt to taste.
add in 1½ cup water, or as required.
mix with the help of whisk to avoid forming lumps.
add more water if required, and get to flowing consistency.
now heat dosa tawa very well.
add a tsp of oil and wipe off with the help of kitchen towel.
pour the prepared dosa batter over tawa. you should be able to see some holes forming while pouring batter over tava. thats the right consistency of batter. if not you need to add some more water.
cover the dosa with a lid. and allow to cook on medium flame.
scrape from sides once the dosa is cooked completely.
finally, serve instant neer dosa with chutney or coconut-jaggery mixture.