Samosa Savory Indian Pototo Pies

Name: Samosa - Savory Indian Pototo Pies
Ingredients: For the Samosa pastry shell:; 2 1/2 cups All purpose flour; 1/4 cup Corn Starch; 1 teaspoon Carom/Cumin seeds; 6 tablespoons Oil/Ghee/Shortening; about 3/4 cups Water; 1/2 teaspoon Salt; as required Oil, for deep frying; Potato Stuffing and assembling the samosa; 3, large Potatoes (diced and boiled); 2 no. Green chillies/Serrano (finely chopped); 1 teaspoon Ginger (minced); 1 tablespoon Garlic (minced); 1/4 teaspoon Turmeric powder; 1 teaspoon Red chilli powder; 1 teaspoon Garam masala; 1 teaspoon Cumin seeds; 2 teaspoons Coriander powder; 2 teaspoons Lemon juice; to taste Salt; 3 tablespoons Cilantro leaves; 1 tablespoon Mint leaves (optional, but recommended); 3 tablespoons Frozen/ fresh Peas (optional); 2 teaspoons Oil