Hello Subrata Ray
I think you are confused by the link section, link section include the url or other sites like yahoo answers or any other site where you post link of any page of Bengalspider. For eg if you find any question in yahoo that What are good picnic places near Kolkata?
And in reply you post there as "There are many good places for picnic in Kolkata and surrounding area like Mandarmani, Bakhali etc. You can get detail description about these places at (link of Bengalspider resources where these are described).
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