Sanjay Gehlot, president of Safai Karamcharis Union joined the AAP in the presence of party-chief Arvind Kejriwal ahead of polls in the national-capital. Gehlot had led a series of protests in the past few years for the rights of sanitation workers and had even protested against Kejriwal. "The one responsible for the exploitation of the people of our community is the BJP," Gehlot added.