Consumer complaints and reviews about PASSPORT SLOT BOOKING - slot booking for I have applied passport online and look for appointment, No slot are. for an appointment. To book appointments, a service fee will have to be paid online at Bank challan payable at any branch of State Bank of India within the country. Select the Book Appointment option and your slot will be confirmed. This section covers information about passport application process that could be by the system as per the availability of appointment slots at the desired PSK. Click the Pay and Book Appointment button to redirect t State Bank of India's.