Marinate chicken with minced ginger, minced garlic, ground turmeric, ground cumin, garam masala, red chili powder, curry leaves, lemon juice and salt. Place in the refrigerator for at lest 2 hours or overnight if possible.When chicken is ready, preheat oven to 200 C.Line a baking tray with parchment paper. Set aside.Add egg, oil and cornflour to the chicken. Mix well.Arrange chicken on the baking tray in a single layer. Place in the oven and bake for 45 minutes or at until chicken is cooked through. Place chicken under the grill and grill for 5 minutes. Remove from oven. Set aside.Meanwhile, heat oil in a frying pan over medium-high heat. Splutter mustard seeds. Fry curry leaves. Add ginger and sauté for a minute. Add yogurt, tomato sauce and garam masala. Season with salt. Saute for 2-3 minutes. Stir in the baked chicken. Make sure the chicken pieces are coated really well in the sauce. Remove from heat. Garnish with spring onions.To make the yogurt dip, combine together yogurt, garlic and hot chilli sauce in a bowl. Season with salt and pepper.Serve chicken 65 with yogurt dip.