I have one and a half year experience in Siebel Functional Testing plus 6 months internship in Siebel technology(completed a project during internship).Worked on CRM and PRM modules. What type of career prospects I have ?

Here are a couple of articles that may be helpful to you:

Siebel CRM, Successful CRM Adoption, CRM Mobile Market, Infor Epiphany, Salesforce and Dow Jones, WorkWise

PRM: Not A Billion-Dollar Baby, But A Damn Good Idea Anyway

I'm seeing a lot of Siebel CRM jobs around the internet; Google e.g. "siebel crm employment". Not as many I'd say for PRM.

Vasily