Make a paste of onion n tomatoes.
Heat oil in a cooker n saute gg paste.
Add the onion paste n all the dry masalas tej patta n cook till oil seperates
keep stirring in between.
Now add rajma n let it cook on mediym flame.
When it starts leaving sides add water accordingly n give 4_5 whistles.
Simple n easy but yummiii rajma ready to serve with rice..