Heat mustard oil in a pan.

Add cumin seeds and let them cook for 10 seconds.

In a blender, combine onion, tomato, green chilli, and ginger to make a paste.

Pour the mixture into the pan, add salt and sugar, and mix well.

After 1 minute, add red chilli powder, turmeric powder, and coriander powder, then mix.

Let it cook for 3-4 minutes.

Add the potatoes and garam masala, then mix.

Allow it to cook for 7-10 minutes.

Turn off the heat and garnish with chopped coriander leaves.

Serve with Cholar Dal and Luchi for dinner.