The chit fund scam in West Bengal is turning neighbour against neighbour and threatening the social fabric of the state. On Monday, Jagdish Roy, a 60-year-old man, committed suicide at Sodepur near Kolkata after being beaten up and humiliated by his neighbours -- two young women -- who led a mob of depositors and agents of the Annex chit fund, where his son, Bidhan, used to work as an agent.