Industrial Disputes Act, 1947
26. Penalty for illegal strikes and Lockouts
(1) Any workman who commences, continues or otherwise acts in furtherance of, a strike which is illegal under this Act, shall be punishable with imprisonment for a term which may extend to one month, or with fine which may extend to fifty rupees, or with both.
(2) Any employer who commences, continues, or otherwise acts in furtherance of a lock-out which is illegal under this Act, shall be punishable with imprisonment for a term which may extend to one month, or with fine which may extend to one thousand rupees, or with both.