India, July 17 -- T he new rule by Chennai Metro Rail Limited (CMRL) states that passengers playing music or videos inside trains and on station premises without using earphones will be issued a challan of upto Rs.2,500. While phone etiquette on public transport has been a long-drawn debate, this new announcement has added fresh momentum to the chatter, with Metro commuters in Delhi expressing their varying views. Inputs by Henna Rakheja...