Hedging is a pragmatic phenomenon which is practiced to signal interpersonal communication. In academic discourse, hedges are used to signal writers’ presence in a text. This article explores the use of hedges particularly with reference to epistemic and deontic modality markers—important and frequently used types of hedges-- in Pakistani research dissertations belonging to three major disciplines: Sciences, Social Sciences and Humanities. The material is based on a special purpose corpus of Pakistani academic writing developed with 235 M.phil and PhD research theses. To find out the frequencies of modal verbs AntConc 3.5.6 was used. All the frequencies were listed and every 50th example was analysed using the theoretical distinction between epistemic and deontic modality outlined by Biber et al. (1999). Statistical analysis of the data reveals, that disciplinary affiliation has a considerable influence on the proportion of epistemic and deontic modality