Ketchum, the global marketing and corporate communications consultancy arm of Diversified Agency Services (DAS) division, a unit of Omnicom Group Inc. (OMC), has acquired a majority stake in India-based Sampark PR. The financial terms of the deal were not disclosed. Management stated that the acquisition will expand Ketchum’s footprints in South Asia. As per the [...] (OMC) Omnicom Expands in India