Senior Congress leader PC Chacko on Sunday said that the death case of former union minister Shashi Tharoor’s wife Sunanda Pushkar was his personal matter and added that the party had nothing to do with it. “Shashi Tharoor is ready to cooperate with the police on the case. If the enquiry is delayed, we are not responsible. This case is related to Tharoor only, not the Congress party. It’s purely a personal matter,” said Chacko. Earlier on Saturday, Tharoor avoided commenting on the case, saying all questions related to the incident must be asked from the police. Tharoor had earlier on Friday said he hoped the Delhi Police could speedily solve the death case of his wife and had added that he would not compromise police proceedings by engaging in public debates. Tharoor also called for the police investigation to be fair and without any political considerations. Stating that he did not expect his wife’s demise to be a result of murder, Tharoor said that he has pledged his support to the Delhi Police to solve the mystery. Sunanda, who married Tharoor in 2010, had checked into The Leela Hotel in Chanakyapuri a day before her death on January 17, 2014. Tharoor’s aides said the couple had checked into the luxury hotel because of renovation work at his Delhi bungalow. The Delhi Police on Tuesday stated that a case under IPC Section 302 has been registered with regard to her death, adding that medical reports have indicated that her demise was due to poisoning. Prior to her death, Sunanda was embroiled in a spat with Pakistan-based journalist, Mehr Tarar, whom she accused of stalking her husband.