The Biggest Stories of January 15, 2015

Former top cop and social activist Kiran Bedi joins the BJP, says the Aam Aadmi Party could not utilise her potential to the fullest; Sensex posts its highest intra-day gain in five years after RBI chief Raghuram Rajan announces cut in lending rates; amid reports that terrorists may try to attack soft targets in India, including schools, ahead of US President Barack Obama's visit, Defence Minister Manohar Parrikar says the Army is prepared; all this and more in our news wrap of the day.