The private air-conditioned bus had begun its journey at Muzaffarpur, about 85 km from Motihari.
The fire incinerated the bus and nobody could be retrieved so far.
According to Deputy Superintendent of Police (Sadar), Murli Manohar Manjhi and Officer on Special Duty to District Magistrate Ajeet Kumar, "six to eight" persons had managed to come out of the bus, which was engulfed in flames, by smashing the window panes.
PM Modi, Nitish Kumar condole loss of lives
Prime Minister Narendra Modi on Thursday condoled the loss of lives in a road accident in Bihar. "My thoughts are with those who lost their loved ones due to a bus accident in Motihari. I pray that the injured recover at the earliest," the Prime Minister was quoted as saying by the PMO.
My thoughts are with those who lost their loved ones due to a bus accident in Bihar's Motihari. I pray that the injured recover at the earliest: PM Narendra Modi (File pic) pic.twitter.com/uCnIizLydm
— ANI (@ANI) May 3, 2018It is a really painful incident, local administration officials are present at the spot. We will extend all possible help to the families of those who died: Bihar Chief Minister Nitish Kumar on Motihari bus accident that claimed 27 lives pic.twitter.com/7MXmOkb19Q
— ANI (@ANI) May 3, 2018State minister for disaster management Dinesh Chandra Yadav had expressed apprehension that more than 20 people could have been killed in the incident.
However, some of the surviving passengers told regional news channels that "only 13 passengers, besides the driver and a helper", were inside the vehicle when the incident took place.
They said a total of 32 passengers had booked their seats in the private bus, out of whom only 13 had boarded at Muzaffarpur and the remaining were likely to catch the vehicle at Gopalganj.
It is a really sad incident. There is a provision to give compensation of Rs 4 lakh to the next of kin of dead in such cases and it will be given: Bihar Disaster Management and Relief Minister on Motihari bus accident #Bihar pic.twitter.com/rS20bHej61
— ANI (@ANI) May 3, 2018
)