Take overnight soaked kidney beans and then pressure cook with 7 to 8 whistles. Now keep a vessel on medium flame and then add oil in it then add ginger garlic paste or chopped a ginger garlic pieces in it

After 2 minutes add chopped onion in it when onion become transparent add Chopped tomato are you can make a Puri of tomato and add in it simultaneously add red chilli powder, rajma masala,dhane jeera powder and salt in it

Mix all ingredients and cook for next 5 minutes so that our masala will be cooked properly smash the masala with the help of spatula or Smasher then add boiled rajma in it with warm water. Add 500 ml water in it keep a plate and give 7 to 9 minutes cook. Then add chopped coriander and mix it well. You are rajma is ready serve this rajma with roti, chapati, rice.