In a mixing bowl, combine corn flour, ginger garlic paste, chile powder, tandoori masala, black pepper powder, salt, and coriander leaves. Mix well. Now add water in tablespoon increments and mix well to form a medium-thick batter.
⅓ cup Corn flour, 1 tbsp Ginger garlic paste, 1 tsp Chile powder, 1 tsp Tandoori masala, ¾ tsp Black pepper powder, 1 tsp Salt, 1 tbsp Coriander leaves