hii vaibhav
i have found the list of books for you kindly refer below
AutoCAD 2013 and AutoCAD LT 2013 by Donnie Gladfelter
Mastering AutoCAD 2013 and AutoCAD LT 2013 by George Omura and Brian C. Benton
AutoCAD 2012 and AutoCAD LT 2012 Bible by Ellen Finkelstein
Mastering AutoCAD 2012 and AutoCAD LT 2012 (Autodesk Official Training Guides) by George Omura and Rick Graham
hope this helps
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