This paper delves into the comprehensive study of submarine cables, covering various aspects related to their deployment and maintenance. The initial chapters focus on the regulatory procedures and necessary permissions required for the installation of submarine cables, emphasizing the importance of obtaining proper consent. The subsequent section discusses the installation process, exploring the different methodologies and techniques employed in laying submarine cables effectively and securely. It also highlights the significance of cable protection measures to ensure longevity and durability. The paper then delves into seabed survey practices, elucidating the importance of understanding the seabed's topography and geology before commencing cable laying. Specialized tools and equipment used during installation and construction are also thoroughly examined. The following chapters delve into the execution phase, outlining the step-by-step process of installing submarine cables, from start to finish. Additionally, it sheds light on the remedial works necessary for the maintenance and repair of submarine cables, ensuring their continuous and efficient functioning. Overall, this paper encompasses a comprehensive analysis of submarine power cables, providing valuable insights into the planning, installation, and maintenance of these crucial components of modern energy systems.