Dry Yam Potato Vegetable (suran aloo vegetable)

Ingredients -
250gm suran (yam)
2 potatoes boiled
1 onion chopped
1 tomato chopped
2 green chillies
1 tsp cumin seeds
2 tsp coriander powder
1 tbsp garlic
1/2 inch ginger
1 tsp turmeric powder
1/2 tsp red chilli powder
2-3 tbsp oil
salt to taste

Preparation -
Heat the oil.
Add cumin seeds, green chillies, onion chopped, turmeric powder, salt, red chilli powder, green chillies, tomato chopped, potatoes and mix well.
Add suran (yam), coriander powder, red chilli powder, turmeric powder, garlic, ginger, salt and mix well.
Add cook for sometime.
Serve hot.