Hi Jadhav,
Create Mapping Format then mapping the fileds from file.
Create External List.
Assign Your mapping format , select file then delimeter as a Comma( if ur using Excel Sheet)
and then mark as Read file,MAP Data, Maintain BP, Maintain TG.
Enter TG Name and Segment Name.
If you want to schedule Immediately. Then job will starts immediately.
If you want to schedule Date/Time . Automatically Job starts acc to date/time.
Regards
Raj