Dosa Batter

I did not like the ready made ones they sell here in the indian stores, so called up so many people and got each ones version and finally made it.
1 Cup Urad Dal or Udhi pappu(without the husk)
3 Cups Sona Masuri Rice (Uncooked,any variety except basmati)
1 tbsp Fenugreek Seeds(helps in fermentation)
1 Cup Cooked Rice or Murmura or Puffed Rice

Soak urad dal,Unccoked Rice,Fenugreek Seeds overnight or for atleast 8 hours.Grind all the ingredients with minimum water.Transfer the batter into a vessel and make sure its half empty, as the quantity will increase.Cover with a cloth and keep it in a place where there is enough sunlight.If you live in a place which is very cold, place it in the oven.Some frens advised me to preheat it i was afraid the taste will change so just placed it in the oven.The quantity will double in 12 hours.You can refrigerate this batter and use it for a week.