Its icon in system tray showed in red color as you can see in the image below. Though everything looked fine, WAMP server showed offline.
Since it takes more time to upload entire project (it includes a lot of images too) to my web hosting account, I decided to check them on Local Host.
To test them I need to open them either in the local server (WAMP server I am using) or upload the entire files to a web server. Most of them were done in PHP and My SQL. After a long while, I have decided to check some personal web projects I did during my college days.