In July, the Securities and Exchange Board of India (Sebi) had promoted two senior employees -- Amarjeet Singh and Nagendraa Parakh -- as executive directors (EDs).
Other EDs are P K Nagpal, S Ravindran, S V Murali Dhar Rao, S K Mohanty and Ananta Barua, as per the regulator's website.
According to a release issued by Sebi today, Prasad has taken over as an executive director.
In June, the regulator had invited applications for the post of EDs in general as well as legal streams. Sebi had announced that appointments would either be on deputation or contractual basis, for an initial period of three years.