Cut the tomatoes in cross in bottom and allow them to boil for 3-4 minutes.
Peel the skin and chop them.
In a pan melt the butter. Add ginger garlic paste and saute for few seconds.
Add onion and green chilli. Fry for 30 seconds.
Add tomatoes and tomato sauce and fry for 1 minute.
Add rajma and fry for 1 minute. Add oats and fry for a minute.
Add carrot juice and stir well.
Add stock or water and bring it to boil. Then add salt and pepper.
Mash some rajma with the help of spoon to thicken the soup.
Turn off the flame when you reach to desired consistency.
Pour in a serving bowl and serve hot.