
Before following the below, make sure you have done all the procedures from below
Installing Android Plugin in Eclipse Offline & Online
Installing Android Plugin in Eclipse Offline & Online
Download the latest Android SDK Version-XX.X.X.zip
Visit >> Get the Android SDK
>> Scroll Down
>> DOWNLOAD FOR OTHER PLATFORMS
>>SDK Tools Only
>> Download corresponding *.zip file (windows users don't download *.exe file)
Windows   android-sdk_rXX-windows.zip
Mac OS X (intel)   android-sdk_rXX-macosx.zip 
Linux (i386)   android-sdk_rXX-linux.tgz 
Unzip the SDK in a Safe Location You will find the Following 
 android-sdk-windows
            * SDK Manager.exe
            * AVD Manager.exe
            * SDK Readme.txt
            * add-ons
            * platforms
            * tools
    Create the Following Empty Folders
            * docs
            * extras
            * platform-tools
            * samples
            * sources
            * system-images
for example if you have unzipped under Drive F: inside folder Android, then the Path Would be F:\Android\android-sdk-windows
If you have faster Internet Connection, Go with  the normal Procedure, 
 Click on the SDK Manager icon, Download only the necessary API's & Addons initially for Development.
Click on the SDK Manager icon, Download only the necessary API's & Addons initially for Development. If you don't have faster internet connection. use the below Procedure.
 Start Downloading One-by-One
        It's Better to use any 3rd Party Downloader like Orbit Downloader or any other similar Software since you can Pause & download faster.
Download, Unzip downloaded files under the corresponding folders only
~\..\android-sdk-windows\platforms\<android-Version>\
Ex: ~\..\android-sdk-windows\platforms\android-2\   (API-2 files)
     ~\..\android-sdk-windows\platforms\android-10\   (API-10 files) 
  SDK Platform Android 1.1, API 2, revision 1 (Obsolete)
  SDK Platform Android 1.5, API 3, revision 4
  SDK Platform Android 1.6, API 4, revision 3
  SDK Platform Android 2.0, API 5, revision 1 (Obsolete)
  SDK Platform Android 2.0.1, API 6, revision 1 (Obsolete)
From API 7 Linux  Repository will not Support for all Platforms
  SDK Platform Android 2.1, API 7, revision 3
  SDK Platform Android 2.2, API 8, revision 3
  SDK Platform Android 2.3.1, API 9, revision 2 (Obsolete)
  SDK Platform Android 2.3.3, API 10, revision 2
  SDK Platform Android 3.0, API 11, revision 2
  SDK Platform Android 3.1, API 12, revision 3
  SDK Platform Android 3.2, API 13, revision 1
  SDK Platform Android 4.0, API 14, revision 3
  SDK Platform Android 4.0.3, API 15, revision 3
If you Had Come Here from StackOverflow plz "+1" my Answer, only if you think my Hardwork Deservez --> http://stackoverflow.com/a/9829209/1008278
  Any trouble in Downloading/Installing or any Broken Links Plz report it...
 
 
