Hi Ravi,
First thing, My name is Tilak not Thilak 
Here is the answer for your query:
Using DMS_KPRO_READ you can check the files in Content server. where the files are phsyically stored in SAPDB
go to SE38 in Program Text box put DMS_KPRO_READ
Select Subobject as Source Code
Click on Display button
then Execute it or Press F8 (short cut for direct processing)
Enter Document Type
Document Number
Document Part
Document Version
and execute it
It shows you all the detail what you want
PHIO-ID is the ID of your Document Type which is stored in Content Server with your Repository Name
/Tilak Raj