The RVNL (Rail Vikas Nigam Limited) track laying specification outlines the technical and operational standards for the construction and maintenance of railway tracks in India. It includes guidelines for materials, track geometry, alignment, and safety measures to ensure efficient and durable rail infrastructure. The specification also emphasizes the use of modern technologies and practices to enhance the speed and reliability of track laying operations. Compliance with these standards is crucial for maintaining the integrity and performance of the railway network.