Complex sentence: Virasat 2008 was the edition which expanded the festival to a nationwide event, which was launched on September the 2nd in 2008, with concerts and events in Delhi and 300 other localities across the greater India, lsting until December 2008.
Split into simpler sentences: Virasat 2008 was the edition which expanded the festival to a nationwide event. Launching on September 2,2008, with concerts and events in Delhi and 300 other localities across the greater India, lasting until December 2008.