Cut lemon and green chillies into small pieces. Fry mustard and fenugreek seeds in a dry pan,cool it and powder it.
Heat oil in a pan add lemon pieces and green chillies and cook it for a while add jaggrey powder to it.
Cook till it becomes thick and add red chilli powder to it.
Also add powdered fenugreek,mustard powder,salt. Heat oil in a seperate pan and mustard seeds when it splatters ,add a pinch af asafoetida and mix into the pickle .
Cool it and store in a dry bottle.You will love its sweet and sour taste .