What I hate most are the toilets. And that people throw things anywhere&mdashwe don&rsquot treat our trains as we would our own homes. The general level of dirtiness is nauseating. People think it is not their home so they really make a mess. What I love about our railways is the fact that your co-passengers become friends. You end up sharing everything with whoever you are travelling with&mdashyou swap life histories, and share food and laughter and friendliness. The train journey from Siliguri to Kolkata for the shooting of Parineeta was great fun.