It has been quite some time that I have been using the Delhi-Gurgaon metro on a daily basis. Regular travelers would understand the fact that it’s a little irritating to travel in that line, in a crowded metro, particularly because the stretch between Qutub Minar and Guru Dronacharya seems never ending. As a regular traveler, which most of us are, we come across loads of irritating and interesting things which further agonize or help us time pass during our metro travel. I managed to list down five of them based on my observation.  1.    Amazing Ringtones Well you know, metro is being used by almost all sections of the society these days and the same goes for Mobile phones. Gone are the days when only pre-installed ringtones ruled the world. It’s the generation of innovation. From Bhakti Sangeet to Masala Songs, you get to listen to all sorts of innovative ringtone once you board the metro. Adding to the charm are local Chine...