The Delhi High Court today questioned Delhi Police over the delay in finding reasons behind the death of Congress MP Shashi Tharoor's wife Sunanda Pushkar. A bench of Justices GS Sistani and Chander Shekharsaid the police had collected evidence in the matter in February 2015 but has not yet got the final result of the electronic evidences they have seized in the matter including that of the close friends of Tharoor and Pushkar.