Linux Mint something wrong with my .bashrc

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http://superuser.com – The path of my .basrc file is /home/vamsi/.bashrc It is wierd that my file has nothing but the path I set.I think I am using a file at the wrong location or that I have lost my .bashrc file as none of the environment variables set here seem to work. #ANDROID_DEV ANDROID_HOME=/opt/android-sdk-linux export ANDROID_HOME PATH= $PATH:$ANDROID_SDK_HOME/tools export PATH PATH=$PATH:$ANDROID_HOME/platform-tools export PATH PATH=$PATH:$ANDROID_HOME/build-tools export PATH #MAVEN-PATH (HowTos)