Sheikh Abdul Hamid, 50, a gunman at bKash, hailed from Rampal, Bagerhat.
Quoting witnesses police said when bKash collector Emdadul Islam along with gunman was collecting money from M Media Centre, a gang of miscreant entered the shop and tried to snatch the bag where Tk16 was kept.
Abdul Hamid tried to put up resistance against the miscreants, they shot on his head.
He was taken to Tongi Sadar Hospital where on duty doctor declared him dead.
Officer-in-Charge of Tongi police station said a team was working to recover as well as arrest the criminals.