"The Government has constituted SIT headed by senior IPS officer Mahesh Chandra Laddha to look into the case. The SIT, after a thorough investigation, would submit its report to the court," Andhra Pradesh DGP J V Ramudu told reporters here.
Five of the nearly 20 labourers, who had consumed liquor at a wine shop in Krishnalanka area of the city on December 7 developed complications and died. Others were admitted to various hospitals and are undergoing treatment.
The wine shop is allegedly owned by close relatives of a former Congress MLA.
The Vijayawada police last night arrested nine employees of the outlet.