Yes, an ATM PIN can be set. In case of the mobile number provided with KTC is not activated while traveling abroad, an OTP via email can be selected to set the ATM PIN.
Select KTC Card and "Card Setting" then select "Set ATM PIN"
Select OTP channel for creating an ATM PIN
Enter OTP
Select ATM PIN format: 6-digit or 4-digit
Create and confirm an ATM PIN
ATM PIN creation successful