Khammam, Two persons were injured when a private travel bus rammed into the roadside house in Nayakangudem village of Kusumanchi Mandal in this district on Saturday.The private travel bus with 20 passengers was proceeding to Hyderabad from Khammam when the accident occurred, police said.While Krishna Reddy and his wife Venkatamm, the inmates of the house who received minor injuries were shifted to Government hospital here for treatment.A case has been registered and an investigation is underway, police added.