The trial in the 2008 murder of 14-year-old Aarushi Talwar and her family's domestic help Hemraj in Uttar Pradesh's Noida began this month, almost four years after the incident. Here is a timeline on the crime and developments in courts:
May 16, 2008: Aarushi Talwar, the daughter of dentist couple Rajesh and Nupur Talwar found dead with her throat slit in her bedroom of her Jalvayu Vihar flat in Noida.
May 17: Body of Hemraj, Talwars' servant, found on the terrace of their house.
May 19: Talwars' former domestic help Vishnu Sharma named as suspect.
May 21: Police say murder committed by 'doctor or butcher'.
May 22: Talwar family under suspicion; honour killing angle probed.
May 23: Aarushi's father Rajesh Talwar arrested for double murder.
May 31: Central Bureau of Investigation (CBI) takes over the case.
June 13: Krishna, Rajesh Talwar's compounder, arrested by the CBI.
June 27: Raj Kumar, the servant of a doctor friend of the Talwars, arrested by the CBI.
July 11: Rajesh Talwar set free by local court after CBI fails to present evidence against him.
* Vijay Mandal, the domestic help of Talwars' neighbour, arrested by the CBI.
Sept 4: Vijay Mandal released on bail.
Sept 12: Krishna and Raj Kumar released on bail.
September 2009: Hyderabad-based Central Forensic Science Laboratory files a report stating that most of the physical evidence taken from the crime scene and Aarushi's vaginal sample were tampered with.
February 2010: Rajesh and Nupur Talwar undergo narco-analysis test.
July 21: Rajesh Talwar moves court to restrain media outlets from publishing misleading and unethical information.
Dec 29: The CBI files closure report, stating that Rajesh Talwar is the main suspect but there is not enough evidence against him.
Jan 25, 2011: Rajesh Talwar attacked in the Ghaziabad court premises
Feb 9, 2011: A special Ghaziabad court orders that Rajesh and Nupur Talwar be tried for Aarushi's murder. The couple also face allegations of destruction of evidence.
Feb 28: A CBI special court in Ghaziabad issues bailable warrants against Rajesh and Nupur Talwar for not being present in court.
March 14, 2012: The CBI argues in court for cancellation of bail of Rajesh Talwar.
* Court defers case till April 11, Nupur Talwar also told to present herself in court.
April 11: The CBI requests court to issue arrest warrants against Nupur Talwar as she did not appear for the hearing. Counsel for Nupur Talwar says that her review petition is pending in the Supreme Court.
April 18: The CBI special court in Ghaziabad extends the date of executing non-bailable arrest warrants against Nupur Talwar till April 30.
April 30: Nupur Talwar surrenders in CBI court, sent to judicial custody.
May 3: Sessions court rejects Nupur Talwar's bail plea, she remains in jail.
May 14: Court orders the CBI to submit case-related documents to Nupur Talwar, puts off hearing till May 16.
June 25: The CBI opposed Talwars' plea for providing them the original records of the finger prints of Aarushi and those found on various articles on crime scene.
July 3: Talwars' defence lawyers continued to cross-examine UP police “photographer-cum-forensic expert” Chunni Lal Gautam for the fourth consecutive hearing at a CBI court.