New Delhi (PTI): The Railway Board has asked four zones to replace or convert non-compliant diesel generator (DG) sets in line with the directions of the Commission for Air Quality Management (CAQM) for controlling air pollution in Delhi-NCR.

In a letter dated November 18, the Board told the Northern, North Central, Northwestern, and West Central zones to "replace the non-compliant DG sets with compliant DG sets".

It added that if replacements are not possible, the zones can either convert the DG sets to dual fuel mode or install with a Retrofit Emission Control Device (RECD).

The instruction followed a communication sent by the Delhi Pollution Control Committee (DPCC) to the chairman of the Railway Board on October 26. The Committee had sought suitable directions to ensure compliance

See Full Page