THE RAILWAYS ACT, 1989 – Chapter IV(A) – Section 20(J)
20(J) Right to Enter into Land Where Land has Vested in Central Government
Where the land has vested in the Central Government under section 20(E), it shall be lawful for any person authorized by the Central Government in this behalf, to enter and do other act necessary upon the land for carrying out the building, maintenance, management or operation of the special railway project or part thereof or any other work connected therewith.
Forward reference⇒Section 20(K)