  In present century, data volume is increasing enormously. The data could be
in form for image, text, voice, and video. One factor in this huge growth of
data is usage of social media where everyone is posting data on daily basis
during chatting, exchanging information, and uploading their personal and
official credential. Research of sentiments seeks to uncover abstract knowledge
in Published texts in which users communicate their emotions and thoughts about
shared content, including blogs, news and social networks. Roman Urdu is the
one of most dominant language on social networks in Pakistan and India. Roman
Urdu is among the varieties of the world's third largest Urdu language but yet
not sufficient work has been done in this language. In this article we
addressed the prior concepts and strategies used to examine the sentiment of
the roman Urdu text and reported their results as well.
