Wash green chilies very well and leave them to dry completely. There should be no trace of water left on them.
Pluck their stem part.
Slit them into 2 parts using scissors or knife. Keep aside.
Now take a pan and add cumin seeds,fennel seeds, fenugreek seeds, mustards (rye), black mustard seeds and yellow mustard seeds. Roast them for 2-3 minutes on low heat.
Leave them to cool down completely.
Grind to a coarse powder.
Add this powder to the chilies.
Add nigella seeds, asafoetida, turmeric powder, kashmiri Red chilli powder and salt.
Give them a good mix so that all the spices get coated on chilies.
Add white vinegar and mix well.
No oil instant green chilies pickle is ready. Store in a clean airtight container and store in refrigerator for up to 2 months.