Heat the oil add add jeera hing haldi add chopped onions sauté and add ginger and chilli. Cook them nicely.
Now make thick batter of besan dahi and water. Mixed them well and add with onions.

Cook them well now add salt chilli powder during this process do everything on slow flame

Now cut onions in 2 part and add into oil for caramelised. After 5 minutes add them into besan Subji.
Serve with roti or paratha.