Activists of all parties staged dharna near Gandhi Statue on Prakasam road, conducted a ‘rasta roko' and took out a procession in Chittoor here on Tuesday demanding the government to pass an effective Lokpal bill and save the life of social activist Anna Hazare. They were led by TDP's B. N. Rajasimhulu, Nagaraj (CPI), Chaitanya (CPM), and M. M. Ali(Janata Dal) -Correspondent