BCA and B.Tech in Computer Science are different degrees with varied focus. B.Tech is an engineering degree that provides depth knowledge of hardware and software; it covers the subjects of data structures, algorithms, operating systems, networking, and computer architecture. It puts emphasis on the mathematical and scientific principles and applications in computing, embedded systems, and AI. A B.Tech graduate has good technical expertise. This makes them apt for roles in software development, IT infrastructure, and research.
BCA is an application-oriented program intended for interested students in the areas of software development, database management, and programming. The main subjects that are covered under it are programming languages and web development, together with its application areas, but it does not have the engineering aspects of B.Tech. The graduates from BCA have scopes within software development and web development or in IT support, but they can still require more certifications or an MCA to get recognized in the technical field of B.Tech.