The spiraling investigation into India’s troubled Commonwealth Games landed its chief organizer behind bars on Monday — a long-anticipated arrest after months of allegations and cries of corruption over the event.

India had hoped the two-week international sporting competition in October would highlight its rapid development and boost its role on the world stage. Instead, it was deeply embarrassed by accusations of graft, construction delays and cost overruns as the games’ budget ballooned by billions of dollars beyond the $412 million price tag organizers initially estimated.