Whisk together ingredients from yogurt to salt well. Add the chicken in and toss to coat.
Drizzle the oil on the roasting pan. Spread the chicken well and top with the remaining marinade. Cover the pan with aluminuim foil and bake for 30 minutes.
Remove the foil and bake for another 30 minutes.
Sprinkle with coriander leaves and serve hot with salad and chapathis.
Notes
If you don't like the tangy taste of tomato paste, reduce the quantity to half the packet or 3/4.