Vada Pav Indian Slider

Name: Vada Pav (Indian Slider)
Ingredients: FOR THE VADA:; Oil For Cooking; 1 teaspoon Mustard Seeds; 1 Tablespoon Ginger Paste; 1-½ teaspoon Cayenne Pepper, Divided; Salt To Taste; 1 teaspoon Turmeric Powder; 3 whole Medium Potatoes (boiled, Mashed); ¾ cups Chickpea Flour; Water, As Needed To Reach Consistency Of Pancake Batter; 10 whole To 12 Whole Dinner Rolls, Or 1 For Each Potato Ball; FOR THE DRY CHUTNEY:; 8 cloves Garlic, Chopped; 1 cup Grated Coconut (Unsweetened); 2 Tablespoons Red Chili Powder