Washing the dogbitten area with water will manually remove the virus.
Washing it with Dettol soap will chemically inactivate the virus.
Since your father had bleeding from a broken skin due to bite, he falls under the Category III of exposure Classification and requires neutralization of the virus by Rabies Immunoglobulin (RIG) and Anti Rabies Vaccine (ARV) 5-doses @ days 0, 3, 7, 14, 28
Next Steps
Please don't underestimate a dogbite. Start the postexposure prophylaxis immediately.
Health Tips
Observe the dog for 10days, if possible. If the dog dies, You have to continue the complete schedule. If the dog is normal, the 14th day and 28th day injection may be withheld.
Have a speedy recovery.
God bless.