Hi sagar,
Create the sender file channel and mention the directory and file name of excel file.
In the Interface determination/3rd tab in ICO , type dummy for service interface and namespace. Even for creating the ICO give business component name and for SI and Namespace give dummy.
Create receiver file channel with FTP server config.
**************** - File-to-File Scenario without creating Repository Objects
File to file without using with Integration Repository - Process Integration - SCN Wiki