Fazlur Rahman alias Guddu, a native of Ranchi, was arrested from Central railway station with some maps and cellphone, Kanpur DIG Rajesh Rai said.
Rahman was caught with maps of some key locations of the India, Rai said.
A case against Rahman has been registered in Rail Bazar area of the city, the DIG said.
Rahman was taken to Lucknow for further interrogation.
Deccan Herald is on WhatsApp Channels| Join now for Breaking News & Editor's Picks