The coach and ten players of Goan football club Sporting Club de Goa were injured when their team bus, on way to the airport, overturned at Kolkata on Wednesday.
Police said the accident, at Jatragachi in the north eastern fringes of the city, occurred when the bus, bound for the NSC Bose International Airport, skidded off the road and overturned as the driver tried to avoid a collision with a motor cycle.
Inspector General (Law and Order) of West Bengal Police Chayan Mukherjee said that six of the players were taken to a nearby nursing home while five others including coach Clifford Chukuwama were rushed to a private hospital at the nearby satellite township of Salt Lake.
Sources at the hospital said while Chukuwama was released after first aid, the condition of one of the players Peter Pereira is serious.
"We suspect that he has a head injury. He is drowsy and a CT Scan is being done," the sources said. The three other players admitted to the hospital are out of danger.
The Goan outfit had come to the city to play a National Football League game against city side Mohun Bagan, which they lost 0-1 on Tuesday.
Eleven other members of the contingent later boarded a Mumbai bound flight on way to Goa, Mukherjee said.