The special investigation team (SIT) probing the 2004 police encounter of Ishrat Jahan and three others had submitted a progress report in the Gujarat high court, officials said on Thursday.
The report was submitted following directions of the division bench of justices Jayant Patel and Abhilasha Kumari at the last hearing.
The next hearing is scheduled for Friday, when the court would review progress of the probe.
R R Verma, a 1978 batch IPS officer, took charge as the fourth chairman of the SIT on July 28, as J V Ramudu, who had been assigned the responsibility by the high court earlier, declined to join, citing health reasons.
Ramudu, an Andhra Pradesh cadre IPS officer, had further said that the union government did not take his consent before recommending his name for the SIT chief's post.
On Friday, the secretary and joint secretary in Union ministry of home affairs are likely to submit an affidavit in the court on this issue.
Ishrat, along with Javed Sheikh alias Pranesh Pillai, Amjad Ali Rana and Zeeshan Johar, was killed in a police encounter on June 15, 2004.
After the encounter, city crime branch had claimed that they were LeT terrorists who had come to kill Gujarat chief minister Narendra Modi.
Gujarat high court constituted the SIT last year to investigate genuineness of the encounter following petitions filed by Ishrat's mother Shamima Kausar and Gopinath Pillai, the father of Pranesh Pillai.