Chana Masala Gravy

Name: Chana Masala Gravy
Ingredients: * 1 cup chole / chickpea, soaked overnight; * 4 tbsp oil/ butter; * 1 Bay Leaf; * 1 inch cinnamon stick; * ½ tsp Cumin seeds; * 1 onion finely chopped; * 1 tsp ginger garlic paste; * 2 tomatoes finely chopped; * 1 tbsp Kashmiri chilli powder; * ½ tsp Turmeric powder; * 1 tsp coriander powder; * ½ tsp Cumin powder; * ¾ tsp aamchur powder / dry-mango powder; * Salt to taste; * ½ tsp garam masala; * 2 cups Water; * 2 tsp coriander leaves finely chopped; * ½ lemon juice optional