Location of IIT Kanpur

What is the nearest Railway station of IIT Kanpur? I have to go there to appear in GATE Exam; I am living in Lucknow and recently completed B.Tech. I have applied for GATE Exam and its admit card is uploaded. So I got my exam centre at IIT Kanpur. So please give me information about trains between Kanpur and Lucknow. Give me also location map of this campus of IIT.