Thanks sir for giving me such a valuable time.
But above links are provided by you is not as helpful.
As I mention earlier I blocked Streaming Media but I'm able to play Videos on website like yahoo,msn etc..
Note : to block such videos I created 1 blacklist entry by specific to a video extension and after that I'll be able to block videos.
To check the Consistency on same blacklist, I nevigate to some other sercch engines and I found , 1 search engine named " Indiatimes.com " on which I'm able to play all the videos and same has been not opened on other search engines like yahoo and msn. for troubleshootung this , I came to know that videos that has been posted on Indiatimes.com are of .flv format which can't include on video extensions on blacklist, so I edited the same but still I'm able to open all those videos on same website.
Please help me into this ..