Mix together wheat flour, besan, rice and corn flour in a large bowl, whisk to combine.
To this add turmeric powder, red chili powder an salt, mix well to combine. Now to this add ¼-cup to ½ cup water and make a batter. The batter should neither too thick nor too thin. It should coat the paneer well
Heat oil in a sauce pan for deep frying the paneer, Dip the paneer slices into the batter and drop into hot oil and fry until golden brown.
While frying do not add more paneer cubes into the oil, they might clump together and not fry well.
Believe me, been there, done that, so i m giving you heads up! Drop only 4-5 cubes at a time, and do not crowd them together.
This frying part is a bit of a job, once this is done, rest is all breezy. So take care while fring the paneer slices.
Once the paneer turns golden brown, remove them with a slotted spoon, onto a kitchen towel. Repeat the same with rest of the paneer, keep aside until use.