The two agencies were chosen following a multi agency pitch and they will work across Kalyan Jewellery collections including Ziah, Rang, Tejasvi, Nimah, Anokhi, Antara, Glo and Mudhra, Kalyan Jewellers said in a statement.
Kalyan Jewellers Chairman and Managing Director T S Kalyanaraman said the brand has ambitious plans to expand globally and is looking forward to the agencies' support as the company embarks on is next phase of growth.
The agencies will also work on the online jewellery brand Candere, which was acquired by Kalyan Jewellers recently.
"We will bring together our best creative resources to make this journey meaningful and successful," Piyush Pandey, Executive Chairman and Creative Director, South Asia, Ogilvy said.
Kalyan Jewellers is a leading Kerela-based jewellery chain.