Dear Sankar, maybe translate.google.com can help you to ask a question effectively, by providing a better translation (maybe).

How do I post a question effectively? explains how to make your question easy for us to understand (code, input, actual output, wanted output, how its different).

Since Scrappy is based on Web::Scraper/xpath, I would start with Web::Scraper (esp examples in http://search.cpan.org/dist/Web-Scraper/MANIFEST ), and Re: Help With Online Table Scraper, Re^2: Help With Online Table Scraper

Then I would generate a sample application using scrappy and read the source ...