@anirban09PJun 04.2014 — #Reverse SEO is the practice of taking actions for decreasing the rank of a page or website in Google and other search engine pages.Reverse SEO may be used for penalyzing competition websites. It is then called negative SEO and the practice presents legal risks.
@chandanthaverJun 05.2014 — #Reverse seo is opposite of white hat seo. in reverse seo you can decrease the keyword rank of the other one. we can also say that reverse seo is a part of black hat. it wrong way so i am suggesting you don't do reverse seo.