"We urge everyone to refrain from such damaging activities within Metro premises. With extensive CCTV surveillance installed in both rakes and stations, identifying offenders is straightforward, and legal action will be swiftly taken against anyone caught engaging in such misdeeds," it added.After a series of incidents in which Metro properties were defaced in Kolkata, the authorities on Wednesday warned of serious legal actions.On Wednesday, a video of CCTV footage went viral in which a man, clad in a blue t-shirt and jeans, is seen defacing the closed doors of a compartment of a running Metro train.Recently, the doors of a Metro coach was defaced with black spray paint.“As the pride of Kolkata, the Metro’s image has been tarnished by this act, deeply hurting the sentiments of its users and admirers,” the Metro said in an official statement.“We urge everyone to refrain from such damaging activities within Metro premises. With extensive CCTV surveillance installed in both rakes and stations, identifying offenders is straightforward, and legal action will be swiftly taken against anyone caught engaging in such misdeeds,” it added.Meanwhile, Kolkata Police sources said the Metro Railway authorities have approached the force to help them identify the offender.Sweety Kumari reports from West Bengal for The Indian Express. She is a journalist with over a decade of experience in the media industry. Covers Crime, Defence, Health , Politics etc and writes on trending topics. With a keen eye for investigative and human-interest stories. She has honed her craft across diverse beats including aviation, health, incidents etc. Sweety delivers impactful journalism that informs and engages audiences. Sweety Kumari is a graduate of Calcutta University with an Honors degree in Journalism from Jaipuria College and a PG in Mass Communication from Jadavpur University. Originally from Bihar, she is brought up in Kolkata and completed her education from Kendriya Vidyalaya SaltLake. Multilingual, Sweety is fluent in English, Hindi, Bengali, and Maithili. She started her career as an Entertainment and lifestyle journalist with a newsportal in Kolkata. She is working with The Indian Express for 8 years now. ... Read MoreStay updated with the latest - Click here to follow us on Instagram© The Indian Express Pvt LtdTags:Kolkata