Bhutto declared Labour Policy in which year?

Bhutto declared Labour Policy in which year?

بھٹو نے کس سال لیبر پالیسی کا اعلان کیا؟
Explanation

Zulfikar Ali Bhutto announced a new labor policy in 1972,

It is also known as Martial Law Regulation (MLR-115).

This policy aimed to increase workers' rights and the power of trade unions.