28 April 2016: A Dalit Law student Jisha was found brutally murdered in her home at  Rayamangalam in Perumbavoor, Ernakulam

 

29 April 2016:  Police complete inquest and body is sent for post mortem to Alapuzha Medical College. After autopsy, Jisha’s body is cremated in a public crematorium in Perumbavoor.

 

2 May 2016: The case taken up by the mainstream media, social media and women organisations.

 

3 May 2016: Post-mortem report reveals that Jisha's body had 38 injury marks, most of them in the form of deep wounds on her chest and neck; her small intestine had come out.

 

4 May 2016: The murder gains national attention after it resembled the  sensational  Nirbhaya gang rape  case in New Delhi.

 

5 May 2016: The preliminary investigation by the State Health Department points to negligence in the post-mortem says a PG student at the Alappuzha Medical College performed the postmortem in violation of the norms.

 

6 May 2016: Investigation team re-constituted. DySP Anil Kumar removed from the team. Crime detachment DySP AB Jijimon assumes charge.

 

7 May 2016: Around 250 people  questioned in connection with the murder. Planned murder says ADGP Padmakumar.

 

 8 May 2016: Several high-profile political leaders, movie stars visit mother of Jisha at Permbavoor Taluk hospital.

 

10 May 2016: Police release first sketch of the suspect.

 

12 May 2016: Media reports say that the culprit has a dental abnormality, after the autopsy revealed bite marks on Jisha’s body. The dental examination and fingerprints collected by the police, of men in and around the locality, though failed to yield any decisive clues.

 

14 May 2016: Police obtains the DNA details of the culprit from the saliva found on Jisha’s clothes. However, it do not match with the DNA of those taken into custody.

 

15 May 2016: The murder becomes major poll issue with political parties attacking the UDF government.

 

17 May 2016: Referring to a report of NCW that visited Kerala, Union Minister Maneka Gandhi alleges 'failure' on part of the forensic team and police.

 

24 May 2016: The Dalit-Adivasi Pouravakasha Samrakshana Samithy launch agitation in protest against the lackadaisical attitude of the police in nabbing the culprit.

 

25 May 2016: The LDF government appoints ADGP B Sandhya to head a new team to probe the rape-murder .

 

26 May 2016: Human rights activist Jomon Puthenpurackal demands probe into the alleged role of a senior Congress leader in the murder.

 

30 May 2016: The Kerala High Court rejects the plea for a CBI probe into the case.

 

1 June 2016: An officer with the new investigation team headed by ADGP B Sandhya said the DNA sample also matched with that of the saliva found on the dress worn by the victim at the time of the murder.

 

 

2 June 2016: The Kerala Police release a new sketch of the prime suspect.

4 June 2016: Investigators record statements of Rajeshwari, Jisha's mother.

 

5 June : Newly appointed Kerala Police chief Loknath Behera visits Jisha's house.

 

10 June 2016: Police gather CCTV evidence from a fertiliser depot near Jisha's home. A man wearing a yellow t-shirt is seen following Jisha on the day of murder.

 

12 June 2016: Several men are detained from various parts of Kerala resembling the sketch of the culprit.

 

13 June 2016: Cyber cell completes checking of phone signals between Perumbavoor and Kurupumpaddy on April 28 . Almost 27 lakh phone numbers checked.

 

14 June 2016: Blood stains found on a pair of sandals from the premises of Jisha's house.

 

 

15 June 2016: In a major breakthrough police finds that the sandals were brought from a shop near Kurupumpaddy. 

 

16 June 2016: Kerala Police takes the prime suspect in to custody.  The key suspect's blood samples matches the DNA samples collected from the murder scene