Mumbai Pre-Diwali Cleanliness Drive: The BMC will carry out a special road-cleaning campaign across Mumbai from October 28 to November 7. The drive will focus on dust-prone stretches, mechanised sweeping and water sprinkling to help control air pollution. Get Latest News on Mumbai only on lokmattimes.com. The Brihanmumbai Municipal Corporation (BMC) has allocated Rs 15 lakh to each ward for a special cleanliness drive across Mumbai ahead of Diwali.