Wash and soak par boiled rice, fenugreek seeds and raw rice overnight.
Wash and soak urad dal separately overnight.
Grind the urad dal and cooked rice to a very fine paste. Add a little water while grinding. Remove and keep aside in a big vessel.Then grind rice with little water. Remove and mix with dal paste and add salt to taste. Batter should be of dropping consistency. Cover and keep aside for 4 -5 hours.
Now heat a non-stick pan and then pour a ladleful of dosa batter on it.Cook for 2 minutes on a medium heat. Turn other side and cook till golden colour. Repeat the same with rest of the batter for the number of dosas you need.