(i) They try to gain public support and sympathy for their goals and their activity by carrying out information campaigns, organising meetings, filing petitions, etc. (ii) They often organise protest activity like strikes or disrupting government programmes.Workers’ organisations, employees’ associations and most of the movement groups often resort to these tactics to force the government to pay heed to their demands. (iii) Business groups often employ professional lobbyists or sponsor expensive advertisements. Some people from the pressure groups or movements may participate in bodies that offer advice to the government. (iv) In some instances the pressure groups are either formed or led by the leaders of political parties or act as extended arms of political parties. For example, most trade unions and students’ organisations in India are either established by or affiliated to one or the other major political party.