This study is investigated in Kokrajhar and Chirang Districts of BTAD, Assam. Here the investigator had tried to analyze empirically the wage differential among various social groups in handloom sectors. The paper also presents the reason of Wage Differential. The study revealed that there is wage differential among gender, community, marital status, types of weavers and between weaving districts. The study revealed that the wages are closely linked to labor productivity in the handloom sector. Finding indicates that the main causes of wage differential in handloom sector in BTAD areas are their capacity of production, productivity, quality, design of products and differences in mandays.