Wash the fresh peppers ensuring the corns don't fall off, keep aside.
Heat a pan with oil, add the mustard, curry leaves, chopped garlic and onions.
Fry till the onions are brown.
Now add finely chopped tomatoes along with salt and turmeric. Cover and cook for 5 mins.
Add the chili powder, coriander powder, and sambar powder. Mix everything and allow it to cook for 5 mins in sim.
Then add the tamarind pulp along with a cup of water and bring to a boil.
When the gravy reaches the consistency you want, drop in the fresh peppers and cover with a lid and cook on a slow flame for 5 to 7 mins.
Serve with steaming rice.