How can you lose 3 kilos a week?

morning -1 cup tea without sugar,1 khakhra,1 big bowl boiled sprouts

mid mor.-1 glass thin buttermilk

lunch- 1 chapatti,1 cup sabji less oily,1 big bowl salads,1 glass thin buttermilk, 1/4 roasted papad

evening-1 cup tea without sugar,1 veg sandwich without buttr&ketchup

dinner-1 chapatti or 2 parathas or 3 pav/dosa without oil ,ghee, butter& ketchup or 1 bowl rice , 1 cup sabji ,sambhar,bhaji, kadhi 1 big bowl salads, soup, raita