Hi Ashish,
Please check the below link for detailed config:
http://wiki.scn.sap.com/wiki/display/ERPLO/Route+Determination+Configuration
However in short Route is determined automatically in the sales order based on:
- Departure zone or country of the Delivering Plant
- Destination zone or country of the Ship-to Party
- Shipping condition from the Sold-to PartyCustomer master
- Transportation group from Material Master
Tables are :
TVRO : Routes, TROLZ : Route Determination
Best regards,
Suman K Bhowmik.