Soak them in water for the whole night.
It will remove all the heat of the mangoes.
First of all peel raw mangoes.
Let's cut them into small pieces.

Take all mangoes and sugar in a bowl together and mix it well.
Now I am covering it and leave it for half an hour.
After 30 minutes pour into a Pan and cook it in low flame.
Stir it in while cause sugar and mangoes do not stick to bottom of the Pan.
After 30 to 35 minutes let's check.

Take syrup and mango piece in a plate.
A wire is forming and mangoes also soften.
Turn off the flame.
Leave it for cooling down.
When it be cool down completely,store it in a glass container.
Aam ka Murabba is ready to eat.