Pick and clean methi leaves, allow all water to drain.
Chop coarsely
Heat oil, add seeds, heeng and allow to splutter.
Add curry leaves, onions, garlic, ginger and stir fry till onions are light brown.
Add potato and sauté for 5 minutes.
Add methi leaves, all other ingredients, except lemon juice.
Mix, stir fry for 5 min, then cover and simmer for 5 minutes.
Take off lid, add lemon juice, and stir again.
Take off fire, when all excess liquid is absorbed.
Serve hot.