Police say the vehicle crashed when it tried to pass a tanker truck on Monday.
The driver lost control as he tried to avoid another bus on the crowded road leading from the popular Anjaneya Swamy temple in Telangana state.
Indian authorities have launched investigation into what caused the bus to lose control at the edge of a gorge, dropping some 200 feet to the ground in the northern Indian state of Himachal Pradesh.
More than a dozen people were also injured when the commuter bus veered off the road into a ravine south of the Philippines capital, Manila.
The incident occurred when a bus collided with a truck on a highway north of the capital, Lima. Traffic accidents are common in Peru, killing more than 2,600 people in 2016.
The bus, carrying 51 orthodox pilgrims who had been taking part in a procession at a monastery, overturned just before midnight local time on a motorway connecting the cities of Irkutsk and Chita.
Authorities say the bus was carrying mostly women and children who were on a trip from Izmir to the resort town of Marmaris.
Nineteen people were injured after a bus and truck collided on a major highway. Police say the death toll could rise.
The crowd turned on the bus and its driver after the accident in the north of the country.
At least 32 people have been confirmed dead after a bus crashed in Taiwan.
An angry mob lynched the bus driver after he lost control of his vehicle and ploughed into a group of people marking the birthday of Prophet Mohammed.
Eight people killed and 44 others injured when a bus carrying people to a casino crashed in the US state of Texas.
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