Railway Department has called for tenders to clean trains at Maligawatta Yard for 24 months (two years) . In response, tenders were submitted by prospective tenderers . Lowest tender was at Rs 30 lakhs per month and the highest tender was at 93 lakhs per month. Joint Front of railway unions alleged that the authorities have decided to offer that tender to the highest bidder at 93 lakhs per month. Accordingly , for 24 months (two years) it will cost the railway department Rs 2,232 lakhs. Joint unions had already brought this matter notice to the President Maithripala Siresens.