Section 31(2)(iii) in The Iron Ore Mines, Manganese Ore Mines And Chrome Ore Mines Labour Welfare Fund Rules, 1978
(iii)the common main maternity centre shall be so situated that none of the Iron Ore or Manganese Ore Mines [and Chrome Ore Mines] [Inserted by G.S.R. 535(E), dated 28.6.1983 (w.e.f. 1.7.1983). ] served by it is more than fifteen kilometres away from it; and