The following table shows the comparative analysis of sectional interest groups and public interest groups.

(i)In Bolivia the popular struggle was led by FEDECOR which comprised of local professionals, engineers and environmentalists.
(ii)Political parties: the movement against privatization of water was also supported by the Socialist Party.In 2006, this political party came into power in Bolivia.

A Movement is a form is a form of collective action which also tries to influence government policies or politics.
Difference between a Movement and a Pressure Group:

(i)The movement in Nepal was to establish democracy, while the struggle in Bolivia involved claims on an elected, democratic government.
(ii)The popular struggle in Bolivia was about one specific policy, while the struggle in 
(iii)Nepal was about the foundations of the country's politics.Both these struggles were successful but their impact was at different levels.
(iv)The popular struggle in Nepal was against Constitutional monarchy and to establish a democratic Government.The popular struggle in Bolivia was against a Government policy, privatization of water supply.

(i)Democracy evolves through popular struggles.Example-Nepal and Bolivia.It is possible that some significant decisions may take place through consensus and may not involve any conflict at all.But that would be an exception.
(ii)democratic conflict is resolved through mass mobilization.Sometimes it is possible that the conflict is resolved by using the existing institutions like the parliament or the judiciary.
(iii)These conflict and mobilizations are based on new political organizations.True, there is an element of spontaneity in all such historic moments.But the spontaneous public participation becomes effective with help of organized politics.There can be many agencies of organized politics.These include political parties, pressure groups and movement groups.

The major difference between pressure groups and political parties, pressure groups do not  aim to directly control or share political power

A pressure group is an organisation which attempts to influence government policies through protest and demonstrations.Pressure groups are formed when people with similar opinions get together for similar objectives.Examples of pressure groups are FEDECOR and BAMCEF.

Pressure groups and movements exert influence on politicals in variety of ways.
(i) They try gain public support and sympathy for their cause by carrying out information campaigns, organising meetings, filing petitions, etc.
(ii) By organising strikes and disruptions, they seek to make the government take note of their demands.
(iii) They also influence decision-making by lobbying.
(iv) The issues raised by theme often influence the policies of political parties.
(v) Formation of new political parties.

(i)A political party is a group of people who come together to contest elections and hold power in the government where as a pressure group is an organization formed when people with common occupation, interest, aspirations or opinions come together in order to achieve a common objective
(ii)Pressure groups do not aim to directly control or share political power as political parties do.
(iii)Political parties have to face the people in elections, but pressure groups are not accountable to the people.
(iv)Pressure groups and movements may not get their funds and support from the people as political parties get.
(v)A pressure group is a temporary set up where as political parties are permanent set up.