firstly, in a blender take 1 cup coriander leaves and ½ cup mint leaves.
also add 3 clove garlic, 3 inch ginger and 3 green chilli.
additionally add 2 tbsp roasted gram dal, ½ tsp cumin powder, 1 tsp chaat masala, ½ tsp sugar, ½ tsp salt and pinch of hing.
blend smooth adding ½ cup water.
transfer to a cup and mix 1 tbsp lemon juice.
finally, green chutney for chaat is ready to use for sandwich or chaats.