Ans.\tPressure GroupPolitical PartyThey have a specic interest and work for the collective interest of their members.They have a broad based programme that covers many aspects of national interest.Their membership is limitedThe membership of political parties is very broad based.They do not aim to directly control or share political powers.Political parties directly aim, to control or share political powerThey resort of agitations demonstrations etc, to get their demands implemented.To achieve their aim political parties use constitutional means.They are an informal institution.Political parties are a formal institution.\t\xa0

Political party is a group of people who come together to contest election.And pressure group is a group of people who comes together for wanting any policy. For ex. Jat araxan is a pressure