Heat the oil in a pressure cooker, add the onions and garlic and sauté on a medium flame for 1 to 2 minutes.
Add the tomatoes, mix well and cook on a medium flame for 2 to 3 minutes, while stirring occasionally.
Add the rajma, chilli powder(optional), salt and 2 cups of water, mix well and pressure cook for 4 more whistles.
Allow the pressure to release by itself before opening the lid.
Allow the mixture to cool completely and blend in a mixer to a smooth purée.
Transfer the purée into a deep non-stick pan and add 1 cup water and everest rajma masala and mix well.
Bring to a boil and cook on a medium flame for 2 to 3 minutes, while stirring occasionally.
Add the lemon juice and mix well, switch off the flame
Garnish with green capsicum, spring onion greens, carrots and tomatoes.
Serve hot with soup sticks or garlic toast