Soak rajma in sufficient water for at least 8 hours.
Pressure cook it up to 6 whistles. Add salt while cooking it.
Soak rice in water for about 15 minutes. In a, large vessel, keep a water to boil and add salt to it.
After it starts boiling, add rice in boiling water. Also and a spoonful of ghee so that each grain will remain separate.
After rice gets cooked, transfer it to a seive to let the access water drain.
Take oil in pan. Add cumin seeds. After it crackles, add onion, ginger garlic paste, salt and let it saute.
then add a garam masala, red chilli powder, turmeric powder and mix it well. Add little bit salt as we have already added salt while cooking rice.
Now add cooked rice, boiled rajma and lemon juice. Give it a good mix.