Arjun is a teenage detective character created by Samaresh Majumdar. Samaresh Majumdar is a popular Indian Bengali writer. He wrote many books for young people. Detective Arjun series is one of them.
Arjun comes from a small town in the North Bengal named "Jalpaiguri". He is very intelligent and has an attractive body. He is not mature as Feluda or Byomkesh. Rather, he is young and has a sharp mind to solve problems. He finds himself in many mysteries and each time he solves them successfully. Unlike other detective characters, Arjun has a strong relation with his families and neighbours. Arjun doesn't have an assistant but he has an instructor named "Amal Shome".