Language is a major tool for an individual to communicate. The phonological & morpho-syntactic components are involved in functions of language processing & executions. Case marker is one of the morpho-syntatic feature, which describes the abstract meaning of the grammatical components of nouns & verbs and in formation of meaningful sentences. Linguistically, case marker is one of the difficult features to comprehend its functions and use in language expressions. There are dearth of studies describing about any specific approach to train the case markers in persons with language disabilities, in regards the present article aimed to develop a comprehensive approach named MARKER approach to train the case markers. This approach planned and developed in improving the language functions & processing skills with respect to information processing model associated with various facilitative skills. It majorly focused on training the case marker morphological principles from concrete to abstract level and its utility in meaningful sentence formations. The present approaches developed are with respect to Kannada cultural & language background, and one can implement similar strategies when working in other languages.