Marinated in spiced yoghurt, Kashmiri chillies, and garlic, then roasted over roaring tandoor charcoal embers with charred edges.
Parboil the cauliflower florets for 3 minutes; drain well.
Toss all vegetables with yogurt, ginger-garlic paste, tandoori masala, coriander powder, and salt; rest 30 minutes.
Thread the vegetables onto skewers, alternating types.
Grill over high heat, basting with mustard oil.
Cook until tinged with char and just tender.
Serve with chutney and lemon wedges.