Mash the boiled rajma and sweet potato coarsely and keep aside.
Add powdered spices, onion, tomatoes and Kissan Sweet & Spicy Sauce to the mixture.
Combine it together Divide the rajma mixture and shape it into patties
Heat the oil in a pan and shallow-fry each patty until it turns golden brown in colour from both sides.
Drain on absorbent paper and keep aside.
For assembly:- Cut each slider horizontally into two
Place lettuce leaves over it
Place a patty on top of it
Place the upper half of the bun over it and pack it in the tiffin box.