How can indian ca become cpa too???

Hello Everyone !!

After becoming a CA, If any Person wants to do CPA also then how can he do that??

What are the Eligibility Requirements??
What is the Procedure??

Syllabus??

Exam Pattern??

Time Period??

How to get registered??

What is the Total Expenditure??

And what are the Rules for CPA . . I mean as we have COP or JOB and also what about Code of Ethics??

After becoming CPA, if the CA wants to stay in India and Practice in India and also wants to Hold CPA Practice then can he do Practice in both countries as CA and CPA??

Please do answer me reliably?? Thank You in Advance !!