Four weeks ago, two city-bred, upper-class aspiring entrepreneurs from Bangalore embarked on a mission: learn more about India, by subsisting for a month on what the average Indian does - just 100 rupees ($2.04) a day. Tushar Vashisht and Mathew Cherian, both 26, have lost nine pounds and four pounds, respectively, and complained of dizziness and depression from a lack of food.