Mumbai - Municipal teachers started pre-Diwali bombarding at BMC's door. 1400 civic teachers teaching in 149 municipal schools demanded Diwali bonus. They have not got the diwali bonus from past many years, Teaching Committee Member Shivnath Darade wrote a letter to Additional Commissioner BMC demanding Diwali bonus, in addition to that he also warned municipal body to adhere their demands within 8 days or they will protest against them.