Thadomal Shahani Engineering College (TSEC) is a private engineering college in Mumbai, India. Founded in 1983, it is the first and oldest private engineering institute affiliated with the University of Mumbai. TSEC was founded by the Hyderabad (Sind) National Collegiate Board (HSNC Board) in 1983. It is named after one of Mumbai's most respected philanthropists, Dada Kishinchand T. Shahani's father, Thadomal Shahani. Approved by the Directorate of Technical Education of Maharashtra on 16 September 1983, TSEC is one of the oldest private engineering colleges in India and was among the first institutes in the country to offer undergraduate-level studies in specializations such as computer engineering, information technology, and biomedical engineering. The Department of Biomedical Engineering is one of the oldest in India and was set up in 1983. The first batch of Computer Engineering graduates passed out in 1988. The undergraduate course in Information Technology was started in 1998. The departments of Electronics & Telecommunication Engineering as well as Chemical Engineering were established in 1983, whereas that of Biotechnology was established in 2004. The undergraduate course in Artificial Intelligence and Data Science was started in 2020.