Niruthakkurigal is an app which is all about punctuation marks. This app contains all kind of punctuations and usage of punctuation marks. As punctuations are playing an important role in creating sentences, articles and so on, students should give concern in understanding these punctuation marks. Punctuation marks are playing very important role in giving intended meaning to a language. Use of wrong mark of punctuation or even wrong placement of punctuation mark can change the meaning of the sentence completely and sometimes even convert the sentence to complete nonsense. Students nowadays tend to do this kind of errors when they are writing articles. This makes them to hate punctuations as they don’t know how to use it and don’t really understand the purpose of using it in creating sentences. So, we have decided to help our students in understanding punctuation marks and usage of these marks in a language. The content of our app is mainly about type of punctuations and usage of punctuations. We have also added some example sentences to make sure the students exactly understand the purpose of using the punctuation mark in a sentence. We believe that content of our app will help the students understand better about punctuations.