Cube the brinjal. Finely chop spinach, onions and tomatoes.
Heat oil in a pan and add rye / mustard seeds. When it crackles add asafoetida and slit green chilies.
Add onions and chopped ginger and saute for 2 - 3 minutes till the onion starts to turn a golden brown.
Add coriander , garlic, ginger paste and saute.
Add spinach, brinjal, red chilli powder, turmeric powder and salt.
Cover the pan and cook on a low flame for 15 - 20 minutes till the vegetables are cooked.
Serve with roti / chappathi / paratha.