Gudiya was six when she went missing from a train in Bihar. The 23-year-old was re-united with her parents in Guwahati, Assam, last week, thanks to an enthusiastic government official and Google search.Gudiya's parents say 17 years ago she was traveling with her uncle in a train from Patna to Guwahati when he got off at a station to buy something to eat and could not board it on time. Gudiya was found alone by railway officials on the train in Guwahati, but she could not tell them who she was.She sent to a children's home, where she was raised. About her life with her parents she could only remember that an uncle worked in a biscuit factory near a railway crossing in front her home in Patna.Neelakshi Sarma, an official of the Assam state child protection society, got close to Gudiya and decided to try and trace her parents. She says she even visited Patna but failed to find them.Ms Sarma then turned to the Google search. "I was searching on Google for hours. One day I got the contact number of a biscuit factory in Patna that help me to trace Gudiya's uncle and finally her parents," she said. When Gudiya went missing she could speak only Hindi; today she knows only Assamese.