Peel, wash and slice the onions like a ring, separate the rings and soak in some cold water and keep it in the fridge for at least half an hour. Once it turns crunchy, drain the water.

Take a bowl Add onion, salt,red chilli powder,garam masala,dry mango powder and mix well.

Now add lemon juice and green chilli and vinegar and mix well

Serve it with your favourite dish.