Rinse and peel the parwal.
Cut the parwal in between.
Remove the seeds and cut them in lengthwise or as desired.
In a heavy bottom pot add oil.
Once hot add cumin seeds and green chili.
After 10-15 seconds add parwal, and potato.
Add Coriander powder, and salt and let it cook until the potatoes are done.
Add Garam masala, amchoor powder and mix. Cook it for a minute and switch off.
Serve with roti or rice.