New Delhi, Jan 30 (ANI): The Municipal Corporation of Delhi (MCD) workers' protest entered its fourth day on Saturday. Protestors raised slogans against the Delhi Government and voiced their outrage over the non-payment of dues. Various areas in Delhi saw heaps and piles of garbage on the roadsides. Over 1.5 lakh workers of Delhi's three main civic bodies sat on strike since Wednesday. The protest has crippled essential services in the national capital.