CUDDALORE: Over 4,000 contract sanitary workers employed by the Coimbatore City Municipal Corporation (CCMC) began an indefinite strike on Monday, a day after D. The agitation has disrupted garbage collection and sanitation activities across the city, with several streets witnessing an accumulation of household waste and firecracker debris following the festival.According to CCMC officials, just over a 1,000 permanent sanitary workers were involved in clearing the garbage from the streets.