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 .