Heat oil in a pan,add onion paste saute for a minute,add ginger,garlic paste saute for a minute.add turmeric,red chilli,cumin,coriander powder,salt and pour tomato puree cook for 2 minute.
Now add boiled rajma and garam masala powder mix well.pour the water cook for 5 minute.after 5 minute make sure the mixture become sticky then remove the flame keep it aside.
Take chapati,spread tomato sauce and place the rajma filling the middle of the chapati,add onion,cumcumber slice,sprinkle garam masala and now roll it.chapati rajma roll is ready.
