The duo will report to Anupama Ramaswamy who joins the agency as its chief creative officer.
Somani has been associated with the agency for 10 years as executive creative director.
The duo will continue to report to BBH India's chief creative officer & CEO, Russell Barrett.
Mayur Varma and Anuraag Khandelwal elevated to the role of joint chief creative officers.
Prior to this, Shukla was with Publicis India as executive creative director.