Spicy Chickpeas With Fresh Green Chiles

Name: Spicy Chickpeas With Fresh Green Chiles
Ingredients: 1/4 cup vegetable oil; 2 onions (about 7 ounces each), 1 chopped, 1 thinly sliced for garnish; 1/2 teaspoon ground cumin; 1/2 teaspoon ground allspice; 1/2 teaspoon ground cinnamon; 1 teaspoon ground coriander; 1/8 teaspoon cayenne pepper; 3/4 teaspoon coarse salt; 2 garlic cloves, minced; 1 piece (1 inch) peeled fresh ginger, chopped (about 1 tablespoon); 2 tablespoons tomato paste; 1 can (15 ounces) chickpeas, drained and rinsed; 2 to 4 fresh green chiles (such as Pinocchio's Nose or jalapeno), 1 seeded and finely chopped, remaining seeded and thinly sliced lengthwise for garnish; 1 ripe tomato, halved and thinly sliced, for garnish; 3 large pitas or naan (Indian bread), for serving; 8 ounces plain yogurt, for serving; Lime wedges, for serving