By acquiring Zelish, Tinychef will also gain access to the app’s 1.25 lakh users.
Aon acquired a 49 percent stake in the Indian composite broking firm.
The Tata-1mg deal comes even as Reliance acquired Netmeds to enter e-pharmacy space.
Founder and CEO Pranay Swarup will continue in his leadership roles at Chtrbox.
The deal puts India's largest conglomerate in direct competition with Amazon & Flipkart.