Kolkata Style Chickpea Rolls

Name: Kolkata Style Chickpea Rolls
Ingredients: 3/4 cup all -purpose flour; 1/2 cup whole wheat flour; 1 teaspoon salt; 2/3 cup canolla oil; 1/2 cup water; 1 teaspoon whole cumin seeds; 1 medium sized onion; 1 tablespoon fresh grated ginger; 1 teaspoon freshly ground cumin; 1 teaspoon freshly ground coriander; 1 teaspoon freshly ground black pepper; 1 teaspoon garam masala powder; 2 fresh tomatoes or 1/2 cup canned diced tomatoes; 1 cup cooked chickpeas; 1 teaspoon salt or to taste; 1 medium sized onion, thinly sliced; 2 tablespoons chopped cilantro; 2 Serrano chillies, minced