Wash the spring onion thoroughly and chop the green leafy part separately and the white onion separately.
Peel the skin of potato and dice them up. Similar finely chop normal onion as well.
Take oil in a Pan / kadhai and heat it on medium heat. Once warm, add asafoetida and carom seeds. Once they brown, add chopped onion and saute till they translucent. Add grated ginger and saute for one minute. Add salt, red chilli powder, garam masala, turmeric powder, coriander powder, green chillies, chopped tomotoes and let the spices roast well till brown.
Now add spring onions and choppod potatoes, and mix well. Let this cook for about 10 mins.
Your delicious spring onion curry is ready. Serve Hot and enjoy with dal, rice and chapatti or phulka.