Pressure groups are groups of people having a common objective. These groups often tend to influence the policies and programmes of the government without any direct control or political power. Political Party is a group of people who come to together to contest elections and hold power in the government. They have an agenda, following a certain ideology which is presented to the voters i.e. the citizens at the time of elections in order to secure maximum votes. Pressure groups do not participate in the elections that are held regularly whereas Political Parties contest elections in order to come to power and form the government at various levels.