BEST E Bus Fire: In February, BEST had kept 400 wet-leased buses off the roads after three back-to-back incidents of buses catching fire. BEST undertaking provides public bus service in Mumbai, neighbouring Thane, Navi Mumbai and Mira-Bhayandar cities. It ferries over 30 lakh commuters with its fleet of around 3,500 buses, including those hired from different private contractors.