Add the minced garlic and grated ginger. Cook for 1 minute until fragrant.
Add the chicken pieces, salt, garam masala, turmeric, cumin, coriander, and cayenne pepper. Stir well to coat the chicken with the spices. Cook for 2 minutes, stirring occasionally.
Stir in the crushed tomatoes, water or broth, tomato paste, and sugar. Scrape the bottom of the pot to remove any browned bits.
Secure the lid and set the vent to ‘Sealing’. Select ‘Manual’ or ‘Pressure Cook’ on High Pressure for 5 minutes.
When the cooking cycle finishes, allow a Natural Pressure Release (NPR) for 5 minutes, then carefully switch the valve to ‘Venting’ for a Quick Release (QR) of any remaining pressure.
Open the lid. Stir in the Greek yogurt or heavy cream and the crushed fenugreek leaves.