Wash and wipe whole amla/usirikayalu with a clean and dry cloth.
Let them dry for 1 to 2 hours.
Keep them aside.
Heat oil in a kadai.
Add the amla/usirikayalu in hot oil.
Slowly fry them till they turn golden.
Fry them only in medium to low flame.
The skin of amla should also wrinkle a bit.
Keep them aside for cooling,
Let the oil cool a bit and add all other condiments.
Salt, red chilli powder, mustard powder and fenugreek powder.
Add hing, turmeric powder too.
Mix all of them well.
Once all the condiments mixes well with the oil add fried amla too.
Mix it well and let the flavours absorb by the amla.
Add lemon juice of 1 lemon.
Again mix it well and serve.
Serve amla pickle with hot piping rice.