Start the pressure cooker in SAUTE mode. Once it displays HOT, add oil and cumin seeds. Saute for 30 seconds.
When the cumin seeds change color, add onions, ginger and garlic. Sauté for couple minutes until the onions become golden brown. Stirring frequently.
Add tomato and spices. Stir and let them cook for 2 minutes until the tomatoes are softened. You should sense the aroma of the spices too. Add potatoes, peas and water. Stir well and scrape off anything stuck to the bottom of the pot. ( deglazing the pot)
Press Cancel. Close lid with vent in sealing position. Press MANUAL or PRESSURE COOK mode. Choose high pressure and select 2 mins.
Instant Pot will come to presure and do the cooking. After it's done , let the pressure release naturally for 5 minutes, then quick release the leftover pressure manually.
Open the lid. Crush the dried fenugreek leaves on your palm and add them in. Stir in lemon juice and gently mix with the curry.
Garnish with cilantro. Serve warm with roti, naan or rice. Enjoy !