Hi Prasad,
It is recommended to use the operative valuation area 001 and assign it to your accounting code.
Please refer to following notes for your information:
1137437 Check existence of operative valuation area
1309622 Check existence of operative valuation area II
1329285 Adjustability of paying valuation area
1647840 Various errors if valuation area 001 not used
1770496 TRL: Define alternative paying valuation area
1770498 TRL: Define alternative paying valuation area 2
1809224 TRL: Define alternative paying valuation area 3
1809198 TRL: Define alternative paying valuation area 4
Best regards,
Swapnil Shelke