Trim the edge,Peel of the skin of mangoes and grate them finely and keep aside.
Repeat to finish the other raw mango too.Dry roast fenugreek, set aside to cool.
Grind it slightly coarse, I used hand mortar and pestle as the quantity is less.Heat oil in a pan add musyard seeds let it crackle.First heat 1.5 tbsp oil in a pan add mustard seeds, hing let the mustard seeds crackle.
Add grated mango and saute until the moisture leaves completely may take 5 mins.
Add turmeric powder,red chilli powder and required salt.Keep sauting until it comes together then add remaining oil little by little and keep cooking until it turns nonsticky.
Add fenugreek powder and powdered jaggery and mix well.
Cook until oil starts to ooze out at the edges.Switch off.
Cool down completely then store in a clean dry container.