Medical science is an ever evolving Science. Human body remains the same, but our understanding of it changes and hence our methods of treating patients. Technology has played a vital role in the development of orthopaedics in particular. What most important is that over the years new technologies and methods have percolated down to the remotest areas of developing world. It is with this perspective that updating ever such a basic book as this one has become necessary. Our mission is aspiring to serve humanity.