Today we have a longish account of a series of train trips (mainly Tamil Nadu and Kerala) in 2006. Includes the now-vanished Sengottai-Punalur MG line, the jinxed bridge at Ariyalur and much more. For instance, why would Harry Potter feel at home at Tirunelveli Jn? Why should a North Indian not take punga at Park station in Chennai? Why do internet users dislike the small station of Senji-Panambakkam near Chennai? And who are Kerala’s notorious Gang of Four? All these important questions are answered below: Trip Report_ Southern Odyss..