A woman CISF constable allegedly shot herself on duty with her service revolver at Netaji Subhas Chandra Bose International airport in the wee hours Thursday, an airport police official said.
The incident took place at Gate number 3 of the airport. The constable, identified as Lagni Biswas from Assam, was rushed to a hospital where she breathed her last, the official said.
Tension prevailed at the airport following the sound of gun shot and senior CISF officials and airport police personnel rushed to the spot, he said.
The body has been sent for post mortem, the official said adding a suicide note was recovered from the constable.
Preliminary investigations revealed that Biswas had lent money to a person and this may have become a bone of contention in her family, the official said.