Chicken Chapli Kebabs with Yogurt Mint Sauce

Name: Chicken Chapli Kebabs with Yogurt Mint Sauce
Ingredients: 1½ pounds ground chicken; 1 small yellow onion, roughly chopped; 5 garlic cloves, peeled; ½-inch piece ginger; 3 green chiles; 1 tomato, roughly chopped; ¼ cup roughly chopped fresh mint; ¼ cup roughly chopped fresh cilantro; 3 tablespoons pomegranate molasses; 2 tablespoons ground cumin; 4 teaspoons salt; 4 teaspoons ground black pepper; 1 tablespoon garam masala; 1 tablespoon fennel seeds; 1 teaspoon coriander seeds; 3 tablespoons chickpea flour (besan); 1 large egg, beaten; 2 tablespoons vegetable oil; 1 cup plain yogurt; Juice of 1 lemon; ¼ cup fresh cilantro; ½ cup fresh mint; ½ cucumber; 1 green chile; Salt and ground black pepper to taste