Bhubaneswar, Dec. 22 -- A video purportedly showing a couple engaging in intimate behaviour inside a Delhi-Meerut Regional Rapid Transit System (RRTS) train has gone viral on social media, triggering widespread concern over public decency and passenger safety.

The couple first begin with kissing each other inside a train coach. Later, they cover themselves with a sheet, and the girl then sits on the man's lap, before they engage in s*xual activity. The unusual behavior occurred even as the train was traveling between Modinagar and Meerut stations.

The train coach appears to be moderately occupied, with at least one other passenger visible seated a few rows behind the couple. Train announcements can be heard in the background, indicating...