Explanation:

• Lucknow-based Research Design and Standards Organisation (RDSO), which sets standards for the Indian Railway Sector, has become the first standards body in the country to join ‘One Nation, One Standard’ scheme of the central government.
• The RDSO, the sole R&D wing of the Railways Ministry, has now been recognised as a ‘Standard Developing Organisation’ by the Bureau of Indian Standards (BIS), for three years period.
• BIS is the implementing agency for the ‘One Nation, One Standard’ scheme.
• RDSO and BIS will be now jointly defining the parameters to ensure quality goods and services for the Railways.