Unidentified assailants shot dead Keshari Devi (55), her daughter Seema (30) and grandson Lalu (10) after barging into their house last night, Inspector of Badhalganj Sunil Rai said.
A case has been registered and bodies sent for post mortem examination, Rai said, adding that cause of the crime was being ascertained.
According to sources, Seema was married about 12 years ago but was living with her mother since the past five years here.