Ingredients: 

Raw mango               - 1 medium size
Kashmiri chilli pdr      - 2 tbsp
Fenugreek seeds        - 1/4 tsp
Asafoetida                 - a small piece(if it is powder 1/2 tsp)
salt to taste
Gingelly oil                - 2 tbsp
Mustard seeds          - 1/4
Red chillies               - 2 split into two
curry leaves

Method:

Cut Mango into fine pieces. Mix salt to this and keep aside. Fry fenugreek seeds and asafoetida(if it is powder just fry fenugeek seeds only)  and powder it.
Heat oil in a Kadai add mustard seeds and red chillies. When it splutters add curry leaves, remove from fire and add chilli pdr, mix it well. Then add the mango pieces to this. Finally add the fenugreek powder and asafoetida powder, mix well.  If it is too dry add a tbsp of warm water mix again.