A college student in India captured video of a stray cow wandering through a classroom in the middle of a session.The video, recorded at the Indian Institute of Technology's Bombay campus in Powai, shows the cow causing surprise and confusion among the students and their teacher when it walks into the lecture hall and strolls across the room.Students said the cow had apparently wandered into the building to escape heavy rains.IIT officials said they are investigating the incident and looking into ways of keeping the numerous animals that live wild near the campus from wandering into buildings.