* Delimitation commissions have been set up four times in the past — 1953, 1962, 1972 and 2002 — under Delimitation Commission Acts of 1952, 1962, 1972 and 2002.   * The Delimitation Commission is appointed by the President of India and works in collaboration with the Election Commission of India. The Delimitation Commission in India is a high-power body whose orders have the force of law and cannot be called into question before any court.  * The Commission’s orders are laid before the Lok Sabha and the legislative assemblies concerned, but they cannot effect any modifications in the orders. * Composition: Retired Supreme Court Judge, Chief Election Commissioner and respective state election commissioners.