ASU is a horizontal service line in TCS, also referred as Assurance service unit. read more
Avinash Gupta, former Data Delivery Lead at Tata Consultancy Services As per my understanding , TCS domains are divided into two parts - Horizontal and Verticals . Horizontals such as GCP , Assurance , Entsol , ITIS etc and verticals such as BFS , Healthcare , Gov , Hitech etc . read more