In the first accident, five persons were killed when their vehicle crashed into an enclosure, built outside a house in Bilhaur area here.
Police said the accident occurred when the driver, a 32-year-old mechanic who was allegedly in an inebriated condition, lost control of the vehicle.
Superintendent of Police (rural) Surendra Tiwari said the occupants of the car were drunk and liquor bottles have been seized from the vehicle.
In another accident, three persons died when their motorcycle hit a pole in Shivarajpur area here.
The police officer said the youths, aged between 21 to 24, were drunk when the accident took place.
The eight bodies have been sent for post-mortem, he added.