India bagged four Lions in the first set of awards announced at the Cannes Lions 2015 on 22 June.
Winners were announced across Press, Promo & Activation, Direct and Mobile categories.
All four Indian wins were in the Press category, in which India had 15 shortlists.
McCann bagged two Silvers. One was for the Dabur Gastrina campaign, while the other was for the Dish TV campaign.
Grey Worldwide's work for DHL also bagged a Silver.
Taproot Dentsu bagged a Bronze for work on Mumbai Mirror.