law: Industrial Disputes Act, 1947
  23. General prohibition of strikes and
  
  Lockouts
  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 
  
   Labor Court , Tribunal or National
  
  Tribunal] and two months, after the conclusion of such proceedings; 123[*
  
  * *]
   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.