Karni Sena chief Sukhdev Singh Gogamedi was killed at his residence in Jaipur on December 5.
A woman allegedly associated with a criminal network was arrested on Monday in connection with the murder of Karni Sena chief Sukhdev Singh Gogamedi, police said.
The three men, including two shooters, arrested for their alleged involvement in the case were produced before a local court and remanded to police custody for seven days by the magistrate.
Police apprehended the shooters -- Nitin Fauji and Rohit Rathore -- along with their accomplice Udham Singh from sector 22 in Chandigarh on Saturday night.
Jaipur Police Commissioner Biju George Joseph said Pooja Saini and her husband Mahendra Meghwal provided weapons to Fauji who stayed in the couple's rented flat in the Jagatpura area of Jaipur for nearly a week before carrying out the killing on December 5.
Meghwal alias Sameer is from Kota and is on run, police said.
Additional Commissioner of Police Kailash Chandra Bishnoi said Fauji came to Jaipur in a taxi on November 28 and met Meghwal who took him to the flat in Jagatpura.
It was through Meghwal that Fauji remained in touch with gangster Rohit Godara, police said.
Godara, linked to the Lawrence Bishnoi gang, had claimed responsibility for Gogamedi's killing in a Facebook post, saying the Karni Sena chief was backing his enemies.
According to police, Meghwal had procured more than half a dozen pistols and cartridges in large quantities. Fauji took two pistols and as many magazines for him and one pistol and two magazines for Rathore, they said.
Pooja also prepared food for Fauji, they said.
On the morning of December 5, Meghwal dropped Fauji on Ajmer Road where Rathore was waiting for him. The armed duo was then taken to the residence of Gogamedi, the chief of the Shri Rashtriya Rajput Karni Sena, in Jaipur's Shyam Nagar area in a vehicle.
They secured access to Gogamedi's house through Naveen Shekhawat who was acquainted with the Karni Sena chief. After talking to him for a few minutes, the shooters opened fire at Gogamedi in his living room, leaving him dead. They also killed Shekhawat before fleeing from the spot.
Bishnoi said a photo of an AK-47 rifle was also recovered from Meghwal's flat.
"Substantial evidence has been recovered from the flat which indicates that a network of Lawrence Bishnoi gang was operating from there. During the investigation, it came to light that the couple had provided weapons for the crime executed by the Lawrence Bishnoi gang in Jaipur," he said.
In a joint operation conducted by the Rajasthan Police and the Delhi Police, Fauji, Rathore and Singh were arrested from outside a Chandigarh hotel and brought to Jaipur amid tight security.
Fauji, hailing from Haryana's Mahendragarh, is a lance naik in the Army.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)