Apsrtc — No proper response and communication

Today i.e 26/10/22 I booked a bus in APSRTC from nandigama to Hyderabad and service no:3900.
Without proper intimation and any kind of proper communication is not there with the driver and also the APSRTC is not providing driver number, even the mentioned phone number is out of service.please look into the case and try to help out people.
NOTE: RESERVED SEATS ARE FILLED WITHOUT INTIMATION TO THE PASSENGERS.HOW IS IT POSSIBLE AND HOW CAN 2 MEMBERS CAN BOOK A SEAT AT ONCE?