Tailor Kanhaiya Kumar was killed inside his shop by two men.
Two more people have been arrested in connection with the Udaipur tailor's murder case.
Speaking to ANI, IG Prafulla Kumar said, "Two more people have been arrested in connection with the matter. They were involved in the conspiracy and preparation behind the entire crime."Prafulla Kumar was appointed as IG Udaipur on Thursday.
Udaipur Police came under strong criticism for not providing security to the murdered tailor Kanhaiya Lal after he complained of threats over a social media post in support of suspended BJP leader Nupur Sharma.
Tailor Kanhaiya Kumar was killed inside his shop by two men.
Meanwhile, on Thursday night, two accused in the Udaipur tailor's killing who were arrested from Bhim in the Rajsamand district were brought to Ajmer's high-security jail.
The duo had sparked outrage in the country after posting a video on social media boasting about the killing.
The attackers, Gos Mohammad and Riyaz Akhtari, also threatened to target Prime Minister Narendra Modi.
Riyaz was seen attacking 47-year-old Kanhaiya Lal with a sharp-edged weapon while Gos, recorded the crime on his mobile phone. The incident took place in Udaipur's Maldas area.
The victim reportedly had recently shared a social media post in support of Nupur Sharma-- former BJP leader who had made controversial remarks against Prophet Muhammad.
Kanhaiya Lal was cremated on Wednesday in Udaipur in the presence of a large number of people who raised slogans demanding capital punishment for the accused. His last rites were performed amidst heavy police security.
Rajasthan Police on Wednesday said that the main accused in the killing were in touch with Pakistan-based organisation Dawat-e-Islami and one of them also went to Karachi in Pakistan in 2014 to meet the organisation.
Rajasthan Director General of Police (DGP) ML Lather said that besides the main accused, police have also taken three other people into our custody, with whom they were in contact.
The National Investigation Agency (NIA) on Wednesday took over the investigation of the brutal murder.
The two accused were arrested within hours of the incident. The NIA on Thursday said it suspects the role of a "terror gang and not a terror outfit".
The anti-terror agency, however, made it clear that there is a role of a bigger gang behind the brutal killing and that it was not just an act done by only two persons, who were arrested by state police after the incident.
As per the agency, the accused, both residents of Udaipur, will be questioned at NIA's Jaipur office and not be brought to Delhi.NIA's six to 10-member team under the supervision of an Inspector General and a Deputy Inspector General rank officer is probing the matter, and a series of raids will be conducted as per inputs, said the officer.
The anti-terror agency has filed a First Information Report (FIR) under the Unlawful Activities (Prevention) Act as well as various sections of the Indian Penal Code.
The move comes soon after the Ministry of Home Affairs on Wednesday directed the NIA to take over the investigation of the case that shocked people across the country.
Following the murder, local markets in the area were shut as the traders demanded justice for the victim. Internet services were suspended in Udaipur and a curfew has been imposed.
A statewide alert had also been issued to all SPs and IGs to increase the mobility of forces and to maintain officers on the ground.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)