NAVI MUMBAI: City-based Mangrove Soldiers along with Kharghar Wetlands and Hills for the first time undertook a clean-up drive in a three-km mangrove stretch spread across Kharghar sectors 16 and 17 on Sunday. Clean-up drive reveals construction, bio medical wastes in Kharghar mangroves Besides plastic waste and litter, they also found sacks filled with construction debris and bio medical waste …