Wash & clean the lamb pieces.
Marinate the lamb with ginger-garlic paste, salt, lemon juice, and raw papaya paste.
Keep aside for 30 minutes.
Prepare a second marinade by mixing all the other ingredients except butter.
Marinate the lamb cubes with this marinade and keep aside for 2 hours.
Skewer the lamb cubes and roast in a tandoor / oven / grill/ broiler for 15-20 minutes.
Remove, baste with butter and roast again for 3 - 5 minutes.
Remove from skewers and serve hot.
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