Bookmakers do not hold official bKash merchant accounts for betting. Instead, payment agents provide personal or agent numbers, and the cashier asks you to send money to one of them and submit the transaction ID. Some sites automate this through a payment page that looks like a bKash checkout; others show a number and a countdown timer.
Once the agent sees your transfer, your betting balance is credited. Withdrawals work in reverse: the agent sends money from their account to your bKash number. That is why speed depends heavily on the bookmaker and the time of day.
Send Money or Cash Out?
Cashiers specify which bKash function to use. Using the wrong one, or sending a different amount from the one entered, is the most common reason deposits are not credited. Follow the instructions exactly.