A questionnaire is a research instrument consisting of a series of questions (or other types of prompts) for the purpose of gathering information from respondents. So, A schedule is a structure of a set of questions on a given topic which are asked by the interviewer or investigator personally. Close-ended questions have to be answered by the respondent by choosing an answer from the set of answers given under a question just by ticking. A rating scale is a method that requires the rater to assign a value, sometimes numeric, to the rated object, as a measure of some rated attribute. An interview involves ‘conducting intensive individual interviews with a small number of respondents to explore their perspectives on a particular idea, program or situation.’ Therefore, questionnaire is the best way to study the political prospects of a party