Wash the irumban puli well and dry with a cloth. Slice into small pieces.
Dry roast fenugreek seeds.
Add cumin seeds and fry in low flame until the colour changes into little bit darker.
Let it cool and powder with the help of a mixer grinder.
Crush ginger and garlic.
Heat seasame oil in a pan and splutter mustard seeds in it.
Then add crushed ginger garlic.
Add sliced green chilly and saute till the ginger garlic turns light brown in colour.
Then add irumban puli and saute in high flame, till it starts releasing water.
Saute till the water is fully absorbed.
Now add powdered cumin, fenugreek seed powder and asafoetidapowder.
Then add pickle powder, red chilly powder and salt as required.
Combine well.
Finally add some kashmiri chilly powder to get a nice red color for our pickle. Cook for another 1 more minute and remove it from the flame. Let it cool and pour vinegar and mix well.
Store this in an air tight container in fridge. Serve with rice.