Inspector Chopra is a non-canonical character created for the ITV 2006 adaptation of Sleeping Murder. He is an officer of the Delhi criminal police in one of the sideplots in the episode.
In 1933, Claire Halliday apparently died when her car plunged off a bridge into a gorge in Delhi. The Delhi traffic police always considered it an accident. However, Charles Vanstone found out that the file on the incident was later released to Inspector Chopra. Chopra was at that time investigating a series of jewel thefts in Delhi.
As revealed in the denouement at the end of the episode, the jewel thief turned out to be Claire Halliday. She faked her death and escaped to England where she then took on a new identity as "Helen Marsden", an entertainer with the "Funnybones" troupe. On the last night of the season in Dillmouth in 1934, "Dickie" Erskine told Helen Marsden that an Indian person was seen hanging around the stage door. This caused Helen to run out in a panic through the front door. The Indian man had also been reported by Mrs Fane "lurking" around the promenade. The Indian man turned out to be one of Chopra's officers who had been sent to Dillmouth to track the jewel thief down. Helen subsequently disappeared from Dillmouth although her disappearance is not related to this sideplot.
Chopra is not seen on screen and is mentioned only.