Reasons for success of some interest groups in influencing
policy making are:
Closeness or proximity of interest groups with the civil
servants,ministers ; this proximity helps the interest groups to
influence the legislation during policy making.
The larger the interest group and the more intense are they in
their emphasis on the targeted goals more they are able to
influence policy making
Financial ground of interest group also play an important role
in influencing policy making,the influence group with strong
financial resources are able in funding the lobbyist in their favor
and also campaign their motives to influence the policy
making.
Interests group who are able to cultivate public opinion in
their favor and also use media for this can influence the policy
making.