New Delhi, July 17 -- The Municipal Corporation of Delhi's (MCD's) plans to ramp up mechanised sweeping of arterial roads and introduce mechanised process for internal roads by procuring 250 small machines to curb dust pollution by October, officials familiar with the process said, even as residents stressed the need for fixing roads before starting mechanised sweeping, claiming it would only serve to increase pollution. A senior MCD official, who did not wish to be named, said that it has submitted in an action plan to the central government its intention to procure 70 additional larger mechanical sweepers, taking the total to 171, to cover 1,400 kilometres of arterial roads, based on an assessment. While sanitation workers currently sweep...