CBI prosecutor Sunil Kumar Verma accused Vatsa of beating him inside the latter’s office at the agency headquarters on October 9 morning.
The issue cropped up at a court hearing, during which public prosecutor Sunil Verma told it that he has filed a police complaint against Deputy Inspector General (DIG) Raghavendra Vatsa.
The investigators are likely to return with forensic experts from Central Forensic Science Laboratory (CFSL) to carry out a detailed crime scene recreation.
The Kerala High Court on Tuesday stayed for two months the CBI probe into alleged irregularities in the 'Life Mission'.
A bench, comprising Justices Rakesh Kumar and J Uma Devi, directed the CBI to register an FIR and submit a report in eight weeks.
Sushant Singh Rajput death: Rhea urges CBI to act against neighbour for giving 'false' statements to media
In a letter addressed to Nupur Sharma, heading the CBI's special team, Chakraborty said her neighbour Dimple Thawani had falsely claimed that Rajput had dropped Rhea back at her house on June 13.
The FIR withheld the name of the Hathras victim, concealed using a whitening ink, but it was decided to withdraw it from public domain to avoid unnecessary controversy, sources said.
The delegation alleged the state CID, which is investigating the case, is misdirecting the probe to falsely implicate political opponents in the BJP, Dhankhar said in a Twitter post.
The case was earlier registered at Chandpa Police Station, in Hathras district of Uttar Pradesh, on a complaint by the victim's brother.
The 19-year-old Dalit woman, who was assaulted and allegedly raped by four men in Hathras district of Uttar Pradesh on September 14, died a fortnight later at a Delhi hospital.
Meanwhile, Congress MLA Anil Akkara filed a counter affidavit opposing the petition.
After registering the case, the CBI searched the residence of Rakesh Wadhawan and his son Sarang in Mumbai, they said.
The editorial said the retired IPS officer had a strong mind and body and that is why the government gave him important assignments during his decades-long career.
The deals behind the project need to be exposed, the national agency said.
According to the agency, there was clear conspiracy involving government officials behind the project implementation.