Mohan and Geeta were brick-layers. Both of them started working at the same time. Every day, they go to a worksite to lay bricks. Both of them work for 8 hours a day and lay around 400 to 500 bricks in this time. They work five days a week and are paid daily. At the end of each day, Mohan gets paid Rs 400, whereas Geeta gets paid Rs 300.
Which of the following Articles in the Indian Constitution addresses this kind of discrimination?