Internatonal Research Journal of Arts and Humanites (IRJAH) Vol.49, No. 49, 2021 ISSN: 1016-9342 Impact of 18th Constitutional Amendment on Labour Laws Applicable on Brick Kiln Industry Bisharat Ali Lanjwani, Aslam Pervez Memon, Kiran Sami Abstract Pakistan's labour laws are derived from laws inherited from colonial period when India and Pakistani were united. After independence, the law regarding labour, have continued to evolve through ongoing experiments to address socioeconomic conditions, industrial development, population and labour explosion, union growth, literacy levels, and government commitments to development and social welfare labour issues. Achieving the above objectives, the successive governments have used a series of labour policies to address the demands of labour class. Being the signatory of International Labour Organization (ILO), Pakistan has been making laws to match the demands of “Core Conventions”. Before the 18th Amendment, Labour was included as " subject matter" in the concurrent which meant that the federal and provincial governments were responsible for the legislation and implementation of the law but now it is the responsibility of provincial government to make laws and implement on the labour market. This article discusses the repercussions of 18 th Constitutional Amendments on the “subject matter” of labour legislation and it’s implications for labour class. This article is based on both primary and secondary sources. Primary sources are based on in-depth interviews of lawyers practicing labour issues, labour activists and labourers experiencing labour issues. In this article, descriptive methodology has been applied to reach the conclusions. Keywords: Labour, Worker, Constitution, Amendment, Labour Laws, Labour Rights Introduction Pakistan's total labour force is about 75.15 Millions, of which the agricultural sector accounts for 47%, manufacturing and mining for 10.50%, and other industries accounting for 42.50%. (World Bank, 2019) It is estimated that around 150,000 to 200,000 families work in approximately in brick kilns industry of Pakistan. (Iqbal, M. J. 2006) 241