Gujarati aloo matar recipe without onion garlic

Name: Gujarati aloo matar recipe without onion garlic
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: Indian
Ingredients: 2 medium or 2 cups Potatoes (peeled and cubed); 1 cup Green peas; 1 large or ¾ cup Tomato (chopped in medium chunks); 2 tablespoons Oil; ¼ teaspoon Mustard seeds; 1 teaspoon Cumin seeds; ½ inch Ginger; 1 Green chili; Salt to taste; 2 teaspoons Red chili powder; ½ teaspoon Turmeric powder; 1 teaspoon Coriander powder; 1 teaspoon Cumin powder; 1 ½ cup Water (or more or less, depends on the size, shape and thickness of the pan); 1 tablespoon Cilantro or coriander leaves (chopped finely)