The bodies were found inside a room near the office of the Public Health Engineering Department (PHED) in Hengrabari.
Soon after the incident, police reached the spot and sent the victims to Gauhati Medical College and Hospital for treatment.
No vehicles shall be allowed to ply on newly constructed road from Pandu Temple Ghat to Kamakhya Trinath Temple.
It is suspected that the husband killed the deceased and fled.
“After conducting a medical examination, it was found that the girl suffered brutal physical abuse as well as sexual assault. The younger boy was also assaulted,” Guwahati Police Commissioner Diganta Barah said.
The carcass was found at around 4:30 pm in Bormer beel and its horn was missing, the first such incident in the state after zero-poaching last year.
On the first day of the Holi, alcohol worth Rs. 9.58 crore was sold in Assam on Tuesday.
The arrested persons have been identified as Ajay Kalilta (30), Debajit Deka (26), Sanjay Kumar Bhagat (26), Paras Chetri (24) and Mayur Nath (24) of Guwahati and Pranab Ranghang (25) of Karbi Anglong.
The arrested individuals have been identified as Shah Alom Talukdar of Hajo and Sujal Ali of Satgaon.
‘Vulnerable’ Vultures of Assam: Mass Killing of Vultures Impacting Ecology; 25 Found Dead in Sivasagar
The Assam Forest Department set up the Vulture Conservation Breeding Centre in 2007 at Guwahati’s Rani area, one of four in India that the Bombay Natural History Society.