Writing is one of the most important skills in language abilities. It is a primary basis for judging one's learning and intellect. Writing skills equip us with communication and thinking skills. Writing is very important in communication. More importantly, in writing, the learners of English should have error-free sentences in their orthographic and grammatical areas. Because if there is incorrect grammar, the sentences will be unclear and meaningless. The proper syntactic structure of the paper shows a huge difference in one's speaking and writing, and it also indicates sound knowledge of the speaker. A combination of diverse features of English is required for effective communication. The study aims to explore the writing skills of tertiary-level students and to find out the difficulties in writing, especially the orthographic and grammatical errors.