Hello sir...
Bleeding gums is due to deposits(plaque and calculus) and tartar formation
Eventhough you brush twice daily there is always some inaccesible areas in your mouth that need to be cleaned( scaling and polishing) by dentits....
Next Steps
kindly visit dentist for furthur management
Health Tips
Do brushing and flossing twice daily...
Do gargle with mouthwash twice daily after food..
Get your teeth clenaed for every 6 months...