The court also issued notices to concerned departments of Railways --Railway Designs and Standards Organisation (RDSO), Rail India Technical and Economic Services (RITES) Ltd, two Rail Coach Factories of Kapurthala in Punjab and Lalganj, Rae Bareli in Uttar Pradesh and Integral Coach Factory, Chennai.
They have also been asked to respond to the allegation that the supply of sub-standard materials for train coaches was due to existence of a "nexus" between cartel of vendors and officials.
"You raised a very important issue," the bench observed while asking the Centre, Railways and its departments to file their replies within four weeks.
In his oral submission, the petitioner alleged corruption involving "nexus" between the suppliers and officials.
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At the outset, the advocate said the PIL raises issues relating to the death of several people due to fire accidents in trains, which are happening time and again. He cited statistics of recent fire accidents in trains where a large number of passengers lost their lives.
"The matter needs to be investigated and resolved at the earliest as the hapless passengers are being subjected to risking their lives while travelling in trains run by the Government of India, funded by the tax payers' money and is considered as a safe and affordable mode of travel," the petition said.
The PIL said the court should direct Railways to replace the faulty material in all coaches presently in service and be tested for conformance of Fire and Safety standards.