Shares of power companies fell on Monday, while defence companies witnessed a surge amid the war in the Middle East. Shares of India's power companies, including NTPC, Adani Power, and Tata Power, fell by 1.15%, 1.53%, and 2.5%, respectively. Meanwhile, shares of defence companies, including Hindustan Aeronautics, Bharat Electronics, and Bharat Dynamics, surged by 1%, 2%, and 0.21%, respectively.