What is
1) the vaccination calendar
2) routine checkup schedule

for Bengal cats, please?

Are you asking for a calendar of when vaccinations are to be given? An annual checkup is always advised and visits to the vet when the pet is not acting or eating normal.

Cat & Kitten Vaccination Schedule
by Petfinder


6-8 WEEKS

“Core” vaccines*: Feline distemper, Feline rhinotracheitis, Feline calicivirus
At veterinarian’s discretion, based on risk: Chlamydia

Cat Vaccination Schedule

*Each of the above “core” vaccines should be given every 3-4 weeks, with the final kitten vaccination administered at 14-16 weeks of age.

10-12 WEEKS
Second vaccination with “core” vaccines.
At veterinarian’s discretion, based on risk: Feline leukemia

12-16 WEEKS
Rabies

14-16 WEEKS
Third vaccination with “core” vaccines

1 YEAR
Vaccinate with “core” vaccines.
Rabies
At veterinarian’s discretion, based on risk: Chlamydia, Feline leukemia

Thank you very much for your informative detailed response.

Know that what I posted is just "general" and some vets may feel differently.