The man, identified as Ankit Ahluwalia (30), a resident of Rohini in Delhi, took the extreme step yesterday, Civil Lines SHO Girish Chand Sharma said.
The reason behind Ahluwalia committing suicide was not known immediately, Sharma said.
The victim's family has said that he had left for Dehradun four days ago.
The body of the victim has been sent for postmortem, Sharma said.