The Trade Unions Act, 1926 provides the legal framework for the registration of trade unions in India. Some key points:
1) Before this act, trade union activities were considered unlawful but this act was passed to protect bona fide trade union activities.
2) It establishes procedures for registering trade unions with registrars appointed by state governments. Registered trade unions are provided certain legal protections.
3) The act defines important terms like "trade union", "workman", sets rules for maintenance of funds, and provides immunity from civil suits for registered trade unions involved in trade disputes.
4) It has been amended several times since introduction to update definitions and processes for unions to follow.