An IAS officer who took on the sand mafia and corrupt builders is found dead in Bengaluru; Mamata Banerjee meets the nun who was gang-raped, but there still have been no arrests; government says it wasn't snooping but it was security profiling on the Rahul Gandhi 'snoopgate' row; Sharad Yadav hits a new low in Parliament by making derogatory remarks about HRD minister Smriti Irani; and more in our news wrap of the day.