At the time of the offences, Chowdhury had been in breach of a suspended sentence for waving an axe at a man outside a Tube station.
The council says it is responding to changing needs and cuts to local government budgets leaving parents and children facing an uncertain future.
Peter McCombie, 72, was left with serious head injuries when he was hit by the bike in Tower Hamlets, east London, on July 3. He died in hospital eight days later.