This work was prepared as a part of a 14 weeks long Professional Training from 4th January 2021 to 16th April12021. I worked at BKC station which is Longest Metro Station in Asia. Total length of station is 460 meters. In 14 weeks of training I have covered Construction of Pilling work, Base slab, Retaining wall, column and construction of tunnel by using NATM method. I am thankful for all the learning, guidance, and co-operation during the 14 weeks.