Kidney Beans Curry (Rajma Masala)

Name: Kidney Beans Curry (Rajma Masala)
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Cuisine: Indian
Ingredients: 1 cup Dried Kidney Beans (Rajma); 0.25 cup Mustard Oil; 1 pinch Asafoetida; 1 Black Cardamom; 2 Cinnamon Stick (small pieces); 1 Bay Leaf; 1 tbsp Ginger (chopped); 4 Garlic Cloves; 1 Onion (Medium-sized)(roughly chopped); 2 Green Chilli; 1 tsp Kashmiri Red Chilli Powder; 2 Tomatoes (Medium-sized) (ground); 1 tsp Coriander Powder; 1 tsp Turmeric; 0.5 tsp Red Chilli Powder (optional); 0.5 tbsp Rajma Masala; 1 tsp Salt; 5 cup Water (divided); 1 tbsp Kasuri Methi; 1 tsp Garam Masala; Green Coriander (for garnishing)