Marinated in spiced yoghurt, Kashmiri chillies, and garlic, then roasted over roaring tandoor charcoal embers with charred edges.
Mix the mince with the raw papaya paste and rest 30 minutes.
Add the grated onion, ginger-garlic paste, green chili paste, garam masala, roasted gram flour, lemon juice, and salt; knead thoroughly in one direction.
Mould the mixture firmly around metal skewers into long seekhs with wet hands.
Grill over hot coals, basting with butter and turning regularly, until charred and cooked through.
Serve hot with onion rings, lemon wedges, and mint chutney.