- Peel mango and chop 
- Add salt; mix well and marinate for 30 minutes 
- Heat oil 
- Add mustard seeds; splutter 
- Furthermore, add curry leaves and garlic; roast golden brown 
- Add asafoetida, turmeric powder, chilli powder and Kashmiri chilli powder; mix well saute for 30 seconds 
- Furthermore, add vinegar and boil 
- Add raw mangoes and salt; mix well 
- Finally, add mustard seeds and fenugreek seeds; mix well and saute for 30 seconds 
- Cool completely then store in an airtight container