ISRO original papers and official KeysImprove Article Save Article Like Article Difficulty Level : MediumLast Updated : 11 Jul, 2018Download links for previous years ISRO original Papers and official Keys:Original PaperOfficial KeysISRO 2018ISRO 2018 KeyISRO 2017 DecISRO 2017 Dec KeyISRO 2017 MayISRO 2017 May KeyISRO 2016ISRO 2016 KeyISRO 2015ISRO 2015 KeyISRO 2014ISRO 2014 KeyISRO 2013ISRO 2013 KeyISRO 2011ISRO 2009ISRO 2008ISRO 2007My Personal Notes arrow_drop_upSave