First 60 users in every minute will get Tk 10 cashback on Tk 20 recharge on any mobile number through bKash from 6.00pm-10.00pm every day, a press release said on Monday. Started on June 01, customers can enjoy the cashback offer till June 7, during these four hours in the evening. 14,400 customers will get the cashback everyday totaling to more than one lakh during the week-long campaign. Customers can enjoy the cashback offer by recharging Tk 20 from the bKash app or by dialing *247# to any number. A customer can avail the cashback offer once during the campaign period.