The construction industry is one sector that consumes resources in huge quantities, several of which are not replenishable. This industry accounts for 36% of the worldwide energy usage and 39 % of carbon dioxide emission. Thus, for saving our environment and maintaining ecological balance, the construction sector needs to focus on sustainable construction, such as using TMT bar Kolkata. Moreover, in the construction process, a lot of hazardous waste is accumulated, which affects the health of people living around such areas.