Service Export Service Tax Exempt Details Required

Service Type : 

1. Online information and database access service and/ or retrieval service through computer network.

2. Information technology software service

I think above mentioned both Services Export to international clients was under exempted category.

But while I am dealing with service tax department they are creating issues.

want to know few details -  exempt rules, section number, notification number and date etc..

So any one pls able to help me pls..? 

It's urgent.