The former Union minister, who is currently on bail in the case, was charged by Delhi Police under Sections 498-A and 306 of the Indian Penal Code.
Reading out a statement of the couple's domestics help, who is one of the witnesses in the case, the prosecutor said that the couple had fight over a girl named 'Katy' and some Blackberry messages.
The prosecutor said that before her death, Pushkar wanted to address a press conference on the IPL issue and had said "I will not leave him (Tharoor)".
The witness had told police that one year prior to the demise, the couple used to fight a lot.
The agency told the court that Pushkar was "distressed" and "felt betrayed" in her marital life.
Police told the court that Pushkar was suffering from mental agony due to a strained relationship with her husband. She had a scuffle with her husband and had various injury marks few days before her death, they said.
Police accused Tharoor of torturing his wife which abetted her to commit suicide.
The probe agency told the court that according to the post-mortem report, the cause of Pushkar's death was poisoning and 15 injury marks were found on various parts of her body, including in forearm, arms and legs.
The prosecutor further told the court that Tharoor's relation with Pakistani journalist Mehr Tarar also added to Pushkar's mental agony.
The prosecutor also apprised the court about Pushkar's friend and journalist Nalini Singh's statement, which is part of the charge sheet, that the relation between the couple was tense and bad.
"She (Pushkar) told she helped Tharoor a lot in IPL matter. She had found some messages between Tarar and Tharoor. She refused to go to their house and instead went to Leela hotel. The relation between the couple was very bad," Singh had said in her statement.
Senior advocate Vikas Pahwa, appearing for Tharoor, refuted the submissions, saying the arguments made by the prosecutor were contrary to the bare reading of the charge sheet and the charges pressed by him were "absurd and preposterous".
The case is now listed for the next hearing on October 17.
The case was earlier sent to the sessions court for further proceedings.
The maximum punishment for the offence listed in the charge sheet is 10 years of imprisonment. However, if convicted for 302 (murder), the maximum punishment is death penalty while the minimum is life imprisonment.
Pushkar's death had created a sensation as it came shortly after a bitter spat between the couple on Twitter over his alleged affair with Tarar.
Pushkar, 51, was found dead in a suite of luxury hotel Leela in Delhi's Chanakyapuri on the night of January 17, 2014.
The couple was staying at the hotel as the official bungalow of Tharoor was being renovated at that time.
Business Standard has always strived hard to provide up-to-date information and commentary on developments that are of interest to you and have wider political and economic implications for the country and the world. Your encouragement and constant feedback on how to improve our offering have only made our resolve and commitment to these ideals stronger. Even during these difficult times arising out of Covid-19, we continue to remain committed to keeping you informed and updated with credible news, authoritative views and incisive commentary on topical issues of relevance.
We, however, have a request.
As we battle the economic impact of the pandemic, we need your support even more, so that we can continue to offer you more quality content. Our subscription model has seen an encouraging response from many of you, who have subscribed to our online content. More subscription to our online content can only help us achieve the goals of offering you even better and more relevant content. We believe in free, fair and credible journalism. Your support through more subscriptions can help us practise the journalism to which we are committed.
Support quality journalism and subscribe to Business Standard.