Mass Media is among the major source to disseminate the political information in South Asia. Political news informs citizens regarding policies of political parties. Public and voters rely on political news on television, radio, social media and newspapers to know about the political world. This study examines the effects of mass media on the voters‟ participation in political discussion in general election 2013 in Pakistan. This study explores the process by which voters‟ behavior regarding political discussion is affected by political news exposure. For data collection, cross sectional survey method was used. The survey participants / respondents are primary school teacher voters in Lahore Division. Multistage purposive sampling technique was used for taking the sample of voters.