Wash and wipe mangoes with a cloth.Peel the mangoes and chop into small pieces.
Mix salt and 1 tsp turmeric in the chopped mango pieces and keep covered for 5-6 hours.
Drain the mango pieces on a steel or plastic colander to strain all the water.
Spread the mango pieces on a cloth for 2 hours,to remove all the extra moisture.
Take the pieces in a bowl and mix all the spices and grated jaggary.
Heat the oil well and then let it come to room temperature,Mix the oil in the mango and masala mixture.
Mix well and transfer the pickle in a glass or plastic jar.
Let it mature for 2 days so mango pieces become slightely soft and absorb the flavours.
Serve with paratha,thepla , khichdi or rice