Industrial Disputes Act, 1947
No workman who is employed in any industrial establishment shall go on strike in breach of contract and no employer of any such workman shall declare a lock-out-
(a) during the pendency of conciliation proceedings before a Board and seven days after the conclusion of such proceedings;
(b) during the pendency of proceedings before 122[a
107[(bb) during the pendency of arbitration proceedings before an arbitrator and two months after the conclusion of such proceedings, where a notification has been issued under sub-section (3A) of section l0A; or]
(c) during any period in which a settlement or award is in operation, in respect of any of the matters covered by the settlement or award.