In a bowl take gram flour(besan)

Add carrom seeds, cumin seeds, salt, chopped green chillies and make a paste by adding water

Meanwhile heat oil in a pan

Now make two portions of the batter,add sliced pototes to the mixture to make potato bhajiya, and onion to make onion bhajiya

Deep fry the bhajiyas

Serve hot with tomato ketchup, tamarind chutney