Welcome to the Mint forums Palash. You will find a lot of information and help from some very enthusiastic and knowledgeable Mint users. I'm sure you will also want to visit our Mint Community Website at http://community.linuxmint.com/
. You will find real-time help in our IRC channels. Just go to Menu>Internet>XChat IRC and when you open it you will automatically be taken to our #linuxmint-chat and #linuxmint-help channels. Have fun with Mint.