The correct answer is: B. 1957
Research, Design and Standard Organization (RDSO) was established in 1957 by the Indian government to promote research and development in the field of railways. It is headquartered in Lucknow, India.
RDSO is responsible for the design, development, and testing of railway equipment and systems. It also provides technical support to the Indian Railways.
RDSO has played a key role in the development of the Indian Railways. It has developed a number of innovative technologies, including the indigenously developed Train 18, which is the fastest train in India.
RDSO is a world-renowned organization for its research and development work in the field of railways. It has collaborated with a number of international organizations, including the International Union of Railways (UIC).
A. 1954 is incorrect because RDSO was established in 1957.
B. 1957 is the correct answer because RDSO was established in 1957.
C. 1959 is incorrect because RDSO was established in 1957.
D. 1967 is incorrect because RDSO was established in 1957.