1

Heat oil in a pan, add mustard and cumin, after they splutter, add chopped onion and ginger and garlic paste, saute this for 1-2 mins until raw smell vanishes.

2

Add all the veggie's (carrots, beans, peas and mushroom ) Turmeric powder, red chilly powder, coriander powder, garam masala and salt. Saute this for a min. Sprinkle some water and cover pan with a lid and cook it for 3-5 mins until all the vegetables turns soft. Once done, turn off the stove

3

Add water if batter is too thick. Heat a dosa pan or tawa, take a laddle full of batter, spread it like thin dosa. Drizzle some oil over the dosa or in sides. Cook both sides until it turns crisp.

4

Place enough vegetable masala in the centre of the dosa and then fold it.

5

Serve hot with Green chutney or peanut chutney or tomato chutney