The study focuses on introducing Computer Mediated Communication (CMC) in distance education for effective English language teaching programmes in Pakistan. The researcher designed and executed a CMC-ELT Blended Model for the students enrolled in MA TEFL Programme offered by Allama Iqbal Open University Islamabad, Pakistan. The researcher tried to find out the effectiveness of CMC in terms of students'' learning, interaction, access and cost. The students were provided online support in their studies. Data was collected through AIOU documents, questionnaires, tests, and focused group discussions. The results of the study proved the effectiveness of CMC in distance education.