Step 1- Download android sdk from the link “http://developer.android.com/sdk/index.html” and extract it into the path your want prefer to “C:” or “C:Program FilesAndroid” .
Step 2- Now Open your eclipse IDE and go to “Help -> Install new software“ then give the site “https://dl-ssl.google.com/android/eclipse/“ to download plug in from the site download from site and then give the archive “http://dl.google.com/android/ADT-15.0.1.zip“ to install it and mark on install updates.
Step 3- Now open sdk from eclipse or directly and install the API and Virtual devices .
Step 4- Now keep updating your sdk and plugins
Step 5- Make your android project or you can also check for sample programs.