First take a mixture jar add asafoetida, fennel seeds, yellow mustard seeds and fenugreek seeds. Now grind it

Now take a pan add oil in it let's oil get hot then add this masala in it that we grinded

Then add red chilli powder. Turmeric powder, salt, coriander powder & ready made aachar masala and mix it well.

Now add jaggery small small pieces in it and mix it well.

Now lastly add dry mango peices and mix well

Now our khatti methi mango pickle is ready