Social media has emerged as a platform where general public can freely express their opinions, views, sentiments, and thoughts about any political leader or political party. Often some news agencies manipulate the news and delivers it in such a manner that it favors one political party and goes against other. But the sentiments expressed by masses on social media is the true image of any political leader or political party. This research paper if focused on elaborating about sentiments and opinions along with their types. The paper also discusses about classifying the keywords in any post or tweet as positive, negative, or neutral sentiment.