NEWSMAKER: Raghav BahlShuchi Bansal / New Delhi December 21, 2007Raghav Bahl is on a roll. From a struggling, niche business channel, his recently re-branded Network 18 has blossomed in ways that few could have imagined.It promises to become one of India's few media conglomerates, straddling not just multiple television channels but also films, the Internet, wire services, magazines, newspapers and perhaps radio and gaming as well