New Delhi, Sep 30 (UNI) The INDIA bloc on Wednesday announced a coordinated nationwide campaign against the Election Commission, with opposition parties deciding to hold “Save Democracy” marches and demonstrations across the country from October 2 to 8, march to the poll panel’s headquarters in New Delhi on October 6 and organise a major rally in the national capital on November 1 over what they described as threats to the integrity of the electoral process.