The correct answer is: D. Part 21 of 1989
The Indian Railway Act, 1989 is an Act of the Parliament of India to provide for the constitution and regulation of the Indian Railways. It was enacted on 24 December 1989 and came into force on 1 January 1990.
The Act provides for the establishment of the Indian Railway Board, which is responsible for the management of the Indian Railways. It also provides for the appointment of a Railway Minister, who is responsible for the overall administration of the Indian Railways.
The Act also provides for the constitution of the Railway Claims Tribunal, which is responsible for hearing and deciding claims arising out of the operation of the Indian Railways.
The Act has been amended several times since its enactment. The most recent amendment was made in 2017.
The following are the options for the question:
A. Part 22 of 1989
This option is incorrect because the Indian Railway Act is not Part 22 of 1989. The Indian Railway Act is Part 21 of 1989.
B. Part 24 of 1989
This option is incorrect because the Indian Railway Act is not Part 24 of 1989. The Indian Railway Act is Part 21 of 1989.
C. Part 23 of 1989
This option is incorrect because the Indian Railway Act is not Part 23 of 1989. The Indian Railway Act is Part 21 of 1989.
D. Part 21 of 1989
This option is correct because the Indian Railway Act is Part 21 of 1989.