In a grinding jar, add rava and grind it into fine powder.
Add grinded rava into mixing bowl, also add gram flour (besan), wheat flour and salt. mix well.
Add buttermilk gradually and make smooth, medium thick and pouring consistency of batter.
Cover and rest it for 15-20 minutes so rava will puff up.
Then add pinch of baking soda and lemon juice on it. Mix well.
Now heat a tawa, sprinkle water and wipe it with cloth and cool down temperature of tawa.
Take 1.5 ladle of batter and spread it on tawa.
Apply oil on dosa and roast dosa on medium flame.
Sprinkle some coriander leaves and roll the crispy dosa and serve hot.
For masala dosa, Heat a tawa and pour a laddle full of batter. Spread it in circular direction to make it to thin dosa.
When upper surface of dosa become dry then spread some oil on it.
Then sprinkle chopped onion, capsicum and coriander leaves on it.
Add red chilli powder, chaat masala and black salt in bowl. Mix well and sprinkle masala on dosa.
When dosa become crispy, fold it and serve hot with chutney.