- firstly, chop the raw mangoes into small cubes and keep aside in a large bowl. 
- in another saucepan, add 2 cups of water and add ¼ cup of salt. 
- further, boil for 2 minutes. 
- now immediately pour the boiling salt water onto the chopped mangoes and keep aside for 30 minutes. 
- meanwhile, dry roast ¼ tsp methi and 3 tsp cumin seeds. keep aside. 
- also dry roast 8 tsp of mustard seeds and half tsp of hing. keep aside. 
- once dry roasted spices are cooled, add little turmeric. 
- and blend to smooth powder. 
- furthermore, add oil in the kadai. 
- and roast 20 - 25 kashmiri red chilis till they puff up. 
- transfer to the same blender and allow to cool completely. 
- later blend to slightly coarse powder. 
- add in above prepared pickle masala. 
- give a good mix. 
- finally, serve instant mango pickle after 2 hours. so that mangoes absorb the masala well.