Wash and Clean the Potatoes. Wash Green beans and trim tip and top. Boil Green beans for 5 minutes in boiling water with a pinch of Salt.
Boil baby potatoes in boiling water for about 10 minutes or until they are fork tender.
Heat oil in a large Wok or a heavy bottom pan on high heat. Add Cumin and Mustard seeds. Once they start to pop, reduce the heat between low to medium.
Add curry leaves, ginger garlic paste, chili paste, and all the other dry spices. Cook it while stirring continuously until raw ginger-garlic smell fades. It takes only a few seconds so stick around :).
Add boiled potatoes and green beans. Mix until the masala is coated evenly on the potatoes and green beans.
Take the pan off of the stovetop. Squeeze some lemon juice on top. Toss it well.
Serve it immediately as a meal with Indian Roti or a side dish.