First in a blender jar take chopped beetroots, ginger, green chilies and make a fine puree.
Next in a mixing bowl, take semolina, roasted seveiyan, peanuts, dahi, beetroot puree, cumin seeds, salt.
Slowly add water and start mixing till well combined.
Cover the bowl and allow to rest for 15 minutes.
Then check the consistency and add little more water if looks very thick.
Heat the dosa tawa and grease with oil.
Sprinkle some water to check the serface is well heated or not.
Take around a ladle full of batter and gently spread on the tawa (griddle) with the backside of the ladle.
Drizzle oil on top and allow to cook the bottom side for around 2-3 minutes.
Flip the pancake and cook the other side for around 1-2 minutes more or until the other side also gets cooked.
Serve hot with any sauce !