Power Instant Pot (IP) and select saute mode.
Heat oil and saute onions and ginger garlic paste, followed by vegetables.
Add canned tomato, water and 1 cube of chicken bouillon or broth, spices and seasoning. Stir well.
Cancel saute mode, close IP lid, vent in seal position and select pressure cook/manual mode.
Pressure cook for 2 minutes. Let pressure release naturally or do a quick release after 10 minutes.
Add cannellini beans, water if need and simmer the soup for few minutes on saute mode until soup is done.