Press saute button of an IP and once the IP displays hot, add oil to heat. Then add cubes potatoes and fry for 2-3 minutes. take the potatoes out on plate and set it aside.
Add cumin seeds and fry for few seconds until aromatic.
Then, add sliced onions and saute until it just starts picking up golden colour. (do not burn).
Add chopped chillies, ginger paste and garlic paste and saute for another 30 seconds. If anything is stuck at the bottom, then add a tablespoon or two of water to deglaze it.
Add pureed tomatoes and saute for 30 seconds.
Then add turmeric powder, coriander powder and Kashmiri red chilli powder and mix, cook for 30 seconds.
Add peas and potatoes and mix.
Now, add 1 cup water along with salt and garam masala powder, mix.
Close the lid of the pot with pressure valve in sealing position and cook on high pressure for 3 minutes.
Once the IP beeps, do quick release, the open the pot and add chopped dill leaves and coriander leaves. Mix well, close the pot and let it rest for couple of minutes. Aloo Matar ready to serve.