The agitating pharmacists, working on contract, were demanding regularisation of their jobs and had gathered here from various parts of Punjab, police sources said.
The Police used tear gas shells and water canons to control the protestors. One media-person, who was caught in the melee, was hurt.
Dozens of OB vans and camera crew are currently stationed outside the stadium. Prime Ministers of both India and Pakistan and a host of VVIPs are scheduled to come here on Wednesday to watch the match between the traditional rivals.
Police said protestors pelted stones at the cops and damaged some private vehicles.
However, the agitators alleged police high handedness, saying they were holding a peaceful protest in support of their demands.