Boil potatoes in salted water until fork tender. It should take 25-30 minutes
For the green chutney, simply process all ingredients in a small processor. Add more water to get to the right texture as needed.
Peel potatoes, mash them, and mix in all the ground spices and salt.
Toast your bread, spread green chutney on it, add some of the masala potatoes, and finish off with yogurt, sev, meethi chutney (if you have it), chopped onions, and peas.