To make aam ka achar combine the mangoes,add termeric powder and add salt and toss well.place the mangoes on a sieve when cool and dry.In a pan add fennel seeds,add cumin seeds

Add coriander seeds,add mustard seeds mix it well and dry roast all the ingredients 5-6 min.

Put all the ingredients into jar,now grind it and make a smooth powder,achar masala is ready.now coat all the masala over the marinated mangoes

Now add red chilli powder,add salt,add asafoietida

Add kalaunzi mix it well properly.take a jar and fill the jar with pickle add mustard oil pour into the mangoes,now aroma is very strong,cool to room temperature and pour over the mangoes.