India, April 1 -- Among the late-morning commuters at Mandi House Metro Station, on the Blue Line platform, he is the one carrying something most unusual. The man's super-long shoulder jhola is crammed with dozens of rolled-up items. These turn out to be maps. Despite being in a hurry to reach his destination, map seller Hemraj graciously agrees to become a part of our Proust Questionnaire series, in which citizens are nudged to make "Parisian parlour confessions", all to explore our distinct experiences. Your main fault. I'm in my 50s, and I have been selling world maps and India maps for 40 years. But sometimes, in order to sell them, I try to appeal to a potential customer's sympathy, whether or not they actually need the map. Such manip...