The universal importance of reading, a receptive skill, is enormous. It encompasses a major part of learning and teaching a language. Reading ameliorates language competence of learners and it has an all-inclusive effect on their acquisition of second language. But some students are not found appropriately motivated or found demotivated in reading classes across the world. This research aims at finding out why some students are less motivated in reading classes at Tertiary Level in Bangladesh. Both qualitative and quantitative research methods have been employed in conducting the research. Simple random sampling technique has been used to select the respondents from the population of different public and private universities of Bangladesh. This research shows that some students are less motivated in reading classes at Tertiary Level for quite a lot of reasons pertaining to themselves, teachers, reading materials, contextual factors, etc. This paper also highlights some recommendations carrying out of which might make learners motivated in reading classes.