firstly, pressure cook peas, potato, carrot for 3 whistles along with water, salt and turmeric.
mash out the vegetables and keep aside.
further, prepare the masala paste by heating up oil.
saute onions, garlic, ginger and chili.
further add tomatoes and saute.
cool and blend to smooth paste and pour into kadai.
also add pressure cooked vegetables.
further add water and all spices listed above.
mix well, cover and simmer for 20 mins.
crush out the puris and place it in a plate.
pour the masala gravy over puri.
add in sweet tamarind chutney, onions and tomato.
also sprinkle chaat masala and chili powder.
finally, serve masala puri chaat garnished with sev and coriander leaves.