Gupta will lead marketing, category, design & supply chain for Titan-owned women’s ethnic wear
Ghosal had joined the Tata consumer electronics retail chain in March 2015.
Both appointments are effective from 1 July
The Tata-1mg deal comes even as Reliance acquired Netmeds to enter e-pharmacy space.
The deal puts India's largest conglomerate in direct competition with Amazon & Flipkart.