The center of teaching- learning activity is Language. No teaching activity can be performed without the use of language. The structure of a language is its grammar and the free components are it's a vocabulary. The written form of language is very important in language acquisition. Therefore, we have to taken care that the students should write any language without any grammatical errors.The present study focuses on the basic grammatical errors of writing Gujarati language made by the students of std V of English medium Schools. The research highlights the different common grammatical error i.e. spelling, punctuation mark, pronoun, adjective, antonyms , synonyms, conjunction, single words for given phrase etc. committed by students of std. V in writing of Gujarati language and what is the overall performance in writing of Gujarati language of students of std. V of English medium Schools of Vadodara City, Gujarat, India.