The DDB Mudra Group, a part of the DDB Worldwide Communications Group, is India's first and largest integrated marketing communications and services network. DDB Worldwide is owned by Omnicom Group Inc, one of the world's largest advertising holding companies.It was earlier known as Mudra Communications Limited and Mudra India. It also started Mudra Institute of Communications Ahmedabad which is considered India's first academic institution dedicated to communications and advertising studies. In 2011, Mudra group was acquired by Omnicom Group, subsequently rebranded as DDB Mudra group and merged with DDB Worldwide. As an advertising agency it is credited with handling successful campaigns of brands and products such as , Castrol, Dabur, Future Group, Gulf Oil, Volkswagen.