Hope the picture helps:

http://www.african-art-work.com/sculpture-art.html

apparently chainsaw carving in the Sates, but I don't know about India...


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Note added at 19 mins (2004-09-20 20:33:34 GMT)
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Also,
Log Art
Log art takes herbage as its materials,thus,the works are simple and natural.The art can embody the mysterious ,simple and straightforward aesthetic sentiment of the primitive culture in Guizhou.
http://www.westtour.net/english/gz/gou/gongyi.htm
for China...:-)