Shatabdis cleanest among premium trains, Durontos worst: Rail survey
(The Times of India)

The `Train Cleanliness Survey 2018`, covering 210 trains categorised premium and non-premium, indicate passengers rating all trains poorly on two parameters - cleanliness of toilets and inadequate cleaning of coaches. The survey results, which included feedback of over 15,000 passengers, has not been made public so far .