Step 1: Understanding the National Commission on Labour:
The Government of India has constituted National Commissions on Labour to review the labour laws and suggest improvements.
Step 2: Identifying the Year of the First Commission:
The First National Commission on Labour was set up on 24th December 1966 under the chairmanship of Justice P.B. Gajendragadkar. The commission submitted its report in 1969, providing a comprehensive review of the labour situation and making numerous recommendations on wages, social security, industrial relations, and working conditions.
The Second National Commission on Labour was set up in 1999 under the chairmanship of Ravindra Varma and submitted its report in 2002.
Step 3: Final Answer:
The First National Commission on Labour was appointed in 1966.