The Biggest Stories of February 17, 2017

A tight trust vote awaits Tamil Nadu Chief Minister Palaniswami, with the DMK voting against him and O Panneerselvam asking legislators to vote wisely; The Environment Minister rejects a report on India's air pollution deeming it sensational, but Science and Technology Minister says it needs to be taken seriously; Priyanka Gandhi debuts on the campaign trail with a rally in Raebareli, hits back at Prime Minister saying UP doesn't need an adopted son; Cleared of charges related to Delhi 2005 blasts, Rafiq speaks to NDTV, says the victims must also get justice; all this and more in the news wrap of the day