Next time you travel in AC tier 2 coaches, there are chances that you may not find curtain in the train that covers the passenger cubicles. Indian railways is planning to remove the cubicle curtains in AC 2 tier coaches as it is finding it difficult to keep them clean.According to a Hindustan Times report, many passengers use these curtains as towels for wiping their dirty hands and polishing shoes, which makes it tough for railways to maintain the curtains. The curtains are cleaned once a month, but due to passengers' insensitivity and regular use, they still look dirty. The HT report states that railways is considering on couple of alternatives and may decide to replace the curtains with blinds to assure privacy of the travellers. A final decision regarding the same is expected by the end of this month.Railways had installed curtains in air-conditioned coaches in 2009 to give more privacy to passengers, but stopped using it in the AC-3 tier coaches after a fire incident in 2014. The curtains were removed after a fire incident on the Bangalore-Nanded Express in 2014. Though these curtains are fire resistant, but an inquiry panel had suggested removal of these curtains as it was found after the Nanded Express incident that curtains may spread fire across the coaches.