Pressure cook peas in cooker for 3 whistles along with 1 tsp of salt.
Reserve the stock for later use.
Heat oil in a pan and add mustard seeds.
Add ginger garlic paste and saute for a minute.
Add onion, salt and all the spices.saute till oil separates.
Add tomato puree and mix it well. Add the peas into the pan and cover for a minute.
Pour the reserved stock and bring it to boil.
Garnish with coriander leaves and serve.