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Constitution of India · Part XI: Relations Between the Union and the States · General

Article 257: Control of the Union over States in certain cases

In plain words

Every State must use its executive power so as not to obstruct or prejudice the Union's executive power, and the Union can give the State directions needed for this. The Union can also direct a State to build and maintain means of communication declared to be of national or military importance, and to take measures to protect railways in the State.

  • This does not limit Parliament's power to declare national highways or waterways, or the Union's own defence works.
  • If carrying out such directions costs the State more than its normal duties would, the Government of India pays the extra cost, as agreed or as decided by an arbitrator appointed by the Chief Justice of India.

A simplified explanation, prepared with AI assistance from the official text below and checked automatically against it for numbers and cross-references. The official text is the law and prevails over this summary. Not legal advice.

Official text

(1) The executive power of every State shall be so exercised as not to impede or prejudice the exercise of the executive power of the Union, and the executive power of the Union shall extend to the giving of such directions to a State as may appear to the Government of India to be necessary for that purpose.

(2) The executive power of the Union shall also extend to the giving of directions to a State as to the construction and maintenance of means of communication declared in the direction to be of national or military importance:

Provided that nothing in this clause shall be taken as restricting the power of Parliament to declare highways or waterways to be national highways or national waterways or the power of the Union with respect to the highways or waterways so declared or the power of the Union to construct and maintain means of communication as part of its functions with respect to naval, military and air force works.

(3) The executive power of the Union shall also extend to the giving of directions to a State as to the measures to be taken for the protection of the railways within the State.

(4) Where in carrying out any direction given to a State under clause (2) as to the construction or maintenance of any means of communication or under clause (3) as to the measures to be taken for the protection of any railway, costs have been incurred in excess of those which would have been incurred in the discharge of the normal duties of the State if such direction had not been given, there shall be paid by the Government of India to the State such sum as may be agreed, or, in default of agreement, as may be determined by an arbitrator appointed by the Chief Justice of India, in respect of the extra costs so incurred by the State.

Source: India Code (Legislative Department), the official text of the Constitution of India. As amended up to the Constitution (One Hundred and Sixth Amendment) Act, 2023. Text as on 10 September 2026. Words in square brackets [ ] were inserted or substituted by later amending Acts, and *** marks words omitted by an amendment. The amendment footnotes are not reproduced here. Official text on India Code.

Supreme Court judgments citing the article 257