Vadai song by Charles Bosco, featuring Jackson Bosco and Kutti Hari, pictured here with dancer Makesh As Charles Bosco's newly released Vadai Song, featuring Jackson Bosco and Kutti Hari, goes viral, who could have ever predicted that a song all about ulunthu vadais - a doughnut shaped, savoury snack - could be the next best thing? Yet, with over 36,000 YouTube hits since it was released just four days ago, the trio's tongue-in-cheek tribute to that enduring Tamil party food staple has proved a phenomenal success, and its fans growing by the day. Cup of tea and vadai in hand Tamil Guardian...