In a parliamentary democracy, the opposition has a significant role in the parliament. This research article analyzes the role of opposition benches in finance bills presented on the floor of the National Assembly in the PML-N government from 2013-2018. It thoroughly investigates the debates of the members of the opposition benches made on all the budget bills in the period 2013-18. Moreover, the suggestions and amendments put forward by the members of the opposition parties are also critically analyzed.This study has carried out under a qualitative research design. The descriptive-analytical method is adopted for the analysis of data. This research shows that the opposition benches had actively participated in the budget bills through debate and cut motions. It had also criticized those policies of the government which are against the welfare of the common people, particularly the imposition of new taxes. It further finds that the opposition parties did the contrary when they came in power.