A couple travelling in an app cab were injured after a private car hit their vehicle from behind on EM Bypass around 2am on Wednesday.
The passengers, Himangshu Ghoshal, 60, and his wife Ruma, 50, residents of Hooghly, were admitted to a private hospital off the Bypass, police said.
The driver of the private car has been arrested.
Both vehicles have been seized, the police said.