According to Vastu Shashtra to correct position is at South West corner. The face should be North and East direction is best. For success in your work the following vastu tips should be follow :
1. Your main table should be in front of your face with computer and laptop.
2. Your other table should be beside in your right side.
3. A pictures of laughing Buddha ( medium size ) in front of on the wall.
4. A picture of Lord Ganesh and Goddess Laxmi should be in North East corner.
5. In your computer / Laptop a picture of Ganesh should be stick/fix.