-Wash the rice thoroughly with water and then let it soak in water for 30 minutes. -After 30 minutes, remove water from the rice and add the rice to the pressure cooker. -Now, add salt and water and mix them with rice in the pressure cooker. -Close the lid and allow 2 whistles to blow. -That’s it and your perfectly cooked plain rice is ready. In Case Of Electric Pressure Cooker: Put the rice, water and salt in the electric pressure cooker. Close the lid and select the option rice from the available options and everything else will be done by the electric cooker.