hi arunbulla and welcome to wikipedia welcome to wikipedia i hope you enjoy the encyclopedia and want to stay as a first step you may wish to read the introduction if you have any questions feel free to ask me at my talk page i'm happy to help or you can ask your question at the new contributors' help page here are some more resources to help you as you explore and contribute to the world's largest encyclopedia finding your way around table of contents department directory need help questions a guide on where to ask questions cheatsheet quick reference on wikipedia's mark up codes wikipedia's pillars an overview of wikipedia's foundations the simplified ruleset a summary of wikipedia's most important rules how you can help contributing to wikipedia a guide on how you can help community portal wikipedia's hub of activity additional tips please sign your messages on talk pages with four tildes this will automatically insert your signature your username and a date stamp the button on the tool bar above wikipedia's text editing window also does this if you would like to play around with your new wiki skills the sandbox is for you good luck and have fun