Info on work permit for Non-EU work permit for college graduate

Hi,

I am recent college graduate from India with 0 years of work experience, got job in a well reputed internet giant company from US, I planning to join their Zurich office, I want to know few things :
a) What are my chances of getting work permit for Zurich if I apply now?
b) When is the application for work permit for Zurich starts, which month specifically?

Thanks

Info on work permit for Non-EU work permit for college graduate