To become ca, am i eligible?

dear friends,

I am a banker, in marketing division, my highest qly Graduate in Maths, I m doing other banking related certification from IIBF, these days i found banks prefers CA/ICWA certified professional more often than a bcom, I not even fall under commerce stream. I like to know, with 9 years of sales & marketing exp, to crap a good job,

1.can i take up CA course now?, i cant take break in my present job, but i m eager to study.

2.Can I by pass any of those pre-qualification course(CPT) ?

3.is articleship compulasary to go to final?

please guide me. thanks and advance. saravanan moorthy