Col (Dr) DCS Mayal was commissioned in 3 Mahar in 1991 and transferred to the Intelligence Corps in 1997. As an Intelligence Corps Officer, he served in various field and staff intelligence appointments. He is a graduate of DSSC and commanded the Intelligence unit in HAA. The Officer has done his MPhil and PhD from Panjab University, Chandigarh, on Chinese human intelligence operations through Public Diplomacy and has also qualified the UGC NET for eligibility for Assistant Professor in Defence and Strategic Studies.
