Chana Masala Chickpea Curry

Name: Chana Masala Chickpea Curry
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Cuisine: Indian
Ingredients: 20 ml Rapeseed oil; 1 teaspoon Cumin seed; 1 teaspoon Yellow mustard seeds; 300 g Onions (finely diced); 1 teaspoon Baking soda (optional ); 30 g Garlic cloves (peeled and sliced); 20 g Ginger (peeled and sliced); 3 each Green chili (sliced); .5 each Lemon (juiced); 1 teaspoon Pink salt; 2 teaspoon Turmeric powder; 2 teaspoon Garam masala; 1 teaspoon Coriander powder; 1 teaspoon Amchoor powder; 350 g Tomato - cherry (cut in half); 1000 ml Water - filtered (more as needed); 30 g Coriander (chopped fresh); .5 each Lemon (juice); 1 teaspoon Pink salt (to taste ); 1000 g Chickpeas (pre-cooked)