01 - Make shallow diagonal slits across each piece of chicken to allow the marinade to penetrate deeply into the meat.
02 - In a large mixing bowl, combine the yogurt, lemon juice, tandoori masala, ginger paste, garlic paste, ground cumin, ground coriander, paprika, turmeric, chili powder, salt, and vegetable oil. Whisk until smooth and well blended.
03 - Add the scored chicken pieces to the marinade, turning and rubbing to coat every surface thoroughly. Cover the bowl with plastic wrap and refrigerate for at least 4 hours, or ideally overnight for maximum flavor absorption.
04 - Preheat the oven to 425°F or prepare a hot grill for direct high-heat cooking.
05 - Arrange the marinated chicken on a wire rack set over a baking sheet, or place directly on the grill grates. Roast for 30 to 35 minutes, turning once halfway through and basting with any remaining marinade, until the chicken is cooked through and lightly charred on the edges.
06 - Transfer the hot chicken to a serving platter and garnish with freshly chopped cilantro and lemon wedges. Serve immediately.