First of all soaked the rajma overnight and next day wash with clean water then cooked it

Now take a kadai then add oil and when it heat up then add jeera green chilli

Now add onion and cooked it till it become brown and then add tomato

Next add all dryspices and cooked till oil release now add rajma and water as per your need

At the end add amchur and green coirender leaves.and it's ready