How to remove index.php from url in magento

Default All url of a Magento website shows index.php .For search engine indexing it's necessary to remove index.php from all url.Then You need to login to your madento admin panel.

Go to System-> Configuration > Web > Search Engine Optimization. Make Yes from Use Web Server Rewrites Drop Down.

Now goto your Cache Management page and refresh your Cache ,then index.php will remove from all url of your magento website