India, May 20 -- In his 60s, Puran Chand sells "chick blinds," the slatted bamboo screens that sieve the daylight streaming in through doors and windows. He spends the day walking along central Delhi localities. This afternoon, sitting on a shaded pave, he 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 favourite colour. I'm always sad, I don't like colours. Your favourite bird. I like all birds. Each day, I carry grains in my pocket and give them to birds wherever I find them. Sometimes, I stop at traffic intersections where people tend to throw grains at birds, and I pick up some of the extra grains to give them t...