Pound whole garlic cloves, green chillies and ginger. Marinate chicken cubes in salt, garlic mixture, cumin powder, turmeric powder, lemon juice and 1 tablespoon of yoghurt for 4 hours. Barbeque the marinated cubes. In a wok put 2 tbsp of ghee and braise the garlic with peels on low flame till peel has gone brownish colour, then remove the garlic and keep aside.