Kolkata: Metro Railway conducted an anti-littering drive last month in its stations last month which revealed that the number of such cases has gone down a lot.According to Metro Railway authorities, since the past few years special anti-littering driver were being carried out to prevent such nuisance practices by the passengers. During May 2018, the highest number such cases was recorded. Metro Railway had earned Rs 1.47 lakh from 576 cases at that time. Also Read – City bids adieu to Goddess DurgaLast month, Metro Railway authorities found that the number of such cases has gone down a lot. From May 1 to May 31 only as many as 165 such cases were detected by the authorities. Fines worth Rs 42,000 have been collected. Maximum number of cases, which is 52 has been recorded in Dum Dum metro station. Metro authorities informed that adequate number of bio-degradable and non-biodegradable dustbins have been installed at all the stations to prevent littering at the platforms and the metro tracks. In spite such efforts, a section of commuters have still been littering the stations premises, trains and track beds. To prevent such nuisance activities, drives will be conducted in future as well.