In a cooker heat oil then add bay leaf dein add chopped onion you can add ginger garlic paste bt i don't use it let the onions change the colour

Then add chopped tomatoes dein add tomatoes and salt as per taste cook it in low flame let the tomatoes gt mashed then add all the dry masalas

Once the masala leaves oil then add rajma saute a bit then add water as per your requirement i lik it dry so i don't add much water in it

Then cover the cooker wth lid 4whistles r enough to gt rajma soft

Then add coriander leaves and serve wth rice or roti.