i was trying to follow this tutorial:
http://www.gdgankara.org/2012/11/01/step-by-step-android-development-with-maven/
but after setting up the environment,
If you are using Windows, the symbolic linking can be done using mklink command.
D:\>cd "Program Files (x86)\Android\android-sdk"
D:\Program Files (x86)\Android\android-sdk>cd platform-tools
D:\Program Files (x86)\Android\android-sdk\platform-tools>mklink aapt.exe ..\build-tools\17.0.0\aapt.exe
symbolic link created for aapt.exe <<===>> ..\build-tools\17.0.0\aapt.exe
D:\Program Files (x86)\Android\android-sdk\platform-tools>mklink aidl.exe ..\build-tools\17.0.0\aidl.exe
symbolic link created for aidl.exe <<===>> ..\build-tools\17.0.0\aidl.exe
D:\Program Files (x86)\Android\android-sdk\platform-tools>mklink /d lib ..\build-tools\17.0.0\lib
symbolic link created for lib <<===>> ..\build-tools\17.0.0\lib