The study explores the effectiveness of integrated and traditional instruction method in developing reading and writing skills in Urdu language at primary level. As an experimental study it used Pretest, post-test and control group design in finding these effects. The researcher developed integrated instruction model for Urdu language by combining contents of Urdu and Islamic Studies by adopting multidisciplinary approach. Lesson plans were prepared by the researcher according to the integrated instruction model to teach the primary level students. In order to measure the performance of the students, teacher made achievement test was prepared by the researcher. The validity of the developed instrument was checked through expert opinion and reliability was checked through pilot testing. This experimental work was carried out for sixteen weeks in a public sector primary level school in Islamabad. Population of experiment was grade IV students. Seventy-six students were selected from class IV for experiment through the draw method. Students were assigned to experimental and control group after their performance in Pre-Test. Experimental group was taught through integrated instruction method while control group was taught through traditional instruction method. After the completion of the experimental period post-test was administered. The data were collected through teacher made achievement test. Data were then analyzed applying independent t-test. The results of study revealed that integrated learning was more effective in developing basic skills of reading and writing of Urdu language in students at primary level as compared to the traditional instruction method.