Former chief executive would have got an estimated £5m more if WPP's share price had not dropped.
Was president of Ogilvy India till 2017 before an entrepreneurial stint
The first day of the three-day festival in Kochi featured Amitabh Bachchan, Martin Sorrell, Hans Paul Burkner, Sri Sri Ravishankar, D Shivakumar and more. View images from the day here.
Costs are reported to be for personal expenses over several years.
At CES, the executive chairman told of plans to capitalise on adland's transformation as S4 Capital continues to build out its armory.
Media buying, particularly performance marketing, is high on the agenda, Sir Martin Sorrell and Victor Knaap revealed at a Campaign event in London.
Top news, insights and analysis every weekday
Sign up for Campaign Bulletins