Abstract:  It is not the failure of language when speaker means something by uttering linguistic expressions, speech sounds convey something else and hearer understands something else. The secret lies in the integration of philosophy of mind and philosophy of language, the relationship between language and the world and language and its users. Linguistic expressions not only say something but perform acts also. Speaking a language is performing a speech act. The speech act theory, developed by an Oxford philosopher J L Austin and modified by his student at Oxford John Searle, who addressed problems associated with it, is sensational in modern pragmatics which deals with utterance meaning. It entails wide range of linguistic functions. In the triad of speech act theory illocutionary act refers to the act of performing in saying something. Illocutionary act has illocutionary force and propositional content i.e. intended meaning and message conveyed. Illocutionary logic, which is a part of theory of meaning, studies wide range of illocutionary forces realized in multivariate ways. Characterising everthing  surrounding religious language is very promising and challenging task. The speech situations of religious utterances  are different from the speech situations of other utterances. The best tool of discovering meaning of religious utterances is the context, situation in which they are used. The present  paper explores illocutionary logic in few devotional songs from ‘Gitanjali’ by first Asian Nobel Prize winner bilingual Indian writer in English Rabindranath Tagore.