Wash the rice, dal and poha separately 2-3 times.
Soak them in enough water for 5-6 hours.
Drain all the water and grind it to smooth paste adding little water at a time.
Now pour it in a bowl add salt mix it and leave it for fermentation for about 8-9 hours.
You will see the batter has doubled up after the fermentation.
Now take a non stick dosa pan. Pour 2 scoop of batter and gently spread the batter from the center to outward directions.
Cook till its crisp and golden brown in color.