The Delhi government on Tuesday said roads in the capital will be vacuum cleaned every week to check dust and air pollution."Vacuum cleaning of roads will be brought back in Delhi," Deputy Chief Minister Manish Sisodia said after a meeting of concerned departments on pollution levels in the city.He said all roads falling under the Delhi government's Public Works Department (PWD) would be cleaned through water sprinklers. This, he told the media, would bring down the dust, a major contributor to pollution.The vacuum cleaning would start in two weeks and it would be a weekly affair.Sisodia called for new ideas to curb pollution which has touched serious levels."Sustenance of already existing anti-pollution plans and creation of new ideas is much needed," he said.He announced that people would be now "able to complain through a mobile application in case of pollution around construction sites".