Himachal pradesh wittnessed another major road accident on the second consecutive day today.In today's tragedy, 25 people have been killed and more than 5 injured when a private bus rolled down into a deep george at Chella, around 60 kms away from Shimla.The bus was on its way to Shimla from Sharontha. The injured have been admitted to Indira Gandhi Hospital at Shimla. According to the preliminary reports, there were about 50 people on board the bus and the death toll is likely to go up as the rescue operations are still on. The cause of accident is said to be due bad road condition caused by continuous rain.Meanwhile, the death toll in yesterdays truck accident near nerchock in Mandi district has reached 40.