Police sources said the accident occurred when a Tamil Nadu State Express Transport Corporation (TNSTC) bus and a private bus from Chennai to Koodankulam collided at Nanguneri near here around 0900 hrs this morning.
The deceased included seven women, four men and one girl.
The SBI official, who was among the dead was working as the Deputy Manager in the Tirunelveli branch and the constable was identified as Jebamani, attached to the ninth Battalion at Manimuthaaru near here.
While 24 of the injured were admitted to Tirunelveli Governemnt Hospital, the remaining nine were admitted to a private hospital in Nagercoil.
A majority of the victims were travelling in the governemnt bus which was on its way to the city from Nagercoil.