how to know wether google bots have crawled into our page/site or not if i am in a wrong section pls direct me
typing in site:domain.com (replace domain.com with your site) will show u all indexed pages that google has for your domain.
If you use website management panel link cPanel, it is very easy to check which search bots have crawled your website. Go to website statistics tools and click on search robots. It will give you the list of all crawlers that visited your website, when they visited and how much data the downloaded from it.
Use Google WebMaster Tools : http://www.google.com/webmasters/ Or Go to Google.com and type this in search box site:www.YourSiteName.com
you can use google webmaster tools to check your site. google writes the last update time on diagnotic tab