THE RAILWAYS ACT, 1989 – Chapter IV – Section 13

Protection for Government Property
13. Nothing in sections 11 and 12 shall authorize:-

(a) A railway administration of the Government Railway to do anything or to any works, lands or buildings vested in, or in the possession of, a State Government without the consent of that Government; and
(b) A railway administration of a non-Government railway to do anything on or to any works, lands or buildings vested in, or in the possession of, the Central Government or a State Government, without the consent of the Government concerned.

Forward reference⇒Section 14