Steam the grated carrot & peas in a pressure cooker.
Heat oil in a pan and fry the chopped onions until golden brown. Then add mashed potatoes, steamed carrots and peas. Fry for 10 minutes & add garam masala, chili powder & salt and saute well. Remove from heat and let it cool down. Make lemon sized balls out of this veg mixture.
Add some water to maida and make it as a paste. Dip the vegetable balls in the maida paste and coat with rusk powder. Flatten this into thin patties.
Heat 2 tbs of oil in a shallow frying pan and fry few cutlets at a time until both sides becomes brown (turn it once). Repeat this until all the cutlets are fried (Pour some oil every time you replace the cutlet). Serve hot. Green Chutney (Mint) & Tomato Ketchup makes a good accompaniment.