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Missing data in Medical database is an issue which makes lose of data integrity, solution for missing value is imputing the relevant value for every missing value(here data and value takes same meaning) it is the scope of imputation and it gives the data integrity. According to the title so many imputation Techniques available. This paper aims to describe the depth survey of types of imputation techniques and which is categorized in the form of table with the attributes like Technique, Description, when to be used, Advantages, disadvantages, Almost different imputation Techniques ideas were exposed in this paper after detailed study. After feasible study here we exposed the concept to improve the imputation technique more worthy than other techniques that Clustering imputation Algorithm proposed which reduce the error rate of imputed value for missing data into Medical database and makes the imputation perfect to the maximum level. And the results elaborates the reduced error rate for dataset of 786 samples with 8 features.