Defending champions Royal Challengers Bengaluru are gearing up for a crucial IPL season, with fans hoping for a repeat of last year's historic title win. From the return to M. Chinnaswamy Stadium to key selection dilemmas, several factors will shape RCB's campaign this year. Virat Kohli is back in the nets, but questions remain over his opening partner-whether it will be Phil Salt or emerging option Jacob Bethell. NDTV's Rica Roy brings you the details.