Over 3,200 volunteers of the Amalabharathom campaign, attached to Mata Amritanandamayi Math, took part in a two-day cleaning drive which concluded at Sabarimala. A host of prominent people, including former union Minister O. Rajagopal; Amrita University vice chancellor P. Venkat Rangan; and a good number of professionals from India and abroad took part in the campaign.