Here some resources will Definitely with you for beginner to expert- Android.
Android
Getting Started with some resources :
Android Tools & Architecture
http://www.cs.uiuc.edu/class/fa09/cs425/mps/tutorial.pdf
Android Phones in India
http://androidos.in/all-about-android-phones-in-india/
Android fourms
http://www.androidos.in/
Android Tutorial – pdf
http://whyandroid.com/images/android%20-%20Getting%20Started.pdf
Installation Android SDK & Development Tool : Eclipse
http://whyandroid.com/android/217-installing-google-android-sdk-10-on-ubuntu-804-desktop.html
Android Developing Application
http://whyandroid.com/images/android%20-%20Developing%20Applications.pdf
Android Developer Toolbox
http://whyandroid.com/images/android%20-%20Developer%20Toolbox.pdf
Android FAQs
http://whyandroid.com/images/android%20-%20FAQs.pdf
Andriod Project pdf
http://www.howtopdf.com/develop-android-applications-eclipse/