Adolescence is a transitional stage of physical and psychological development that generally occurs during the period from puberty to adulthood. Mother is the first teacher for a child and her occupation play a great role in the development of a child. Loneliness is a feeling which mainly grows in the hearts of adolescence due to ignorance felt by them tn their childhood. Loneliness is a feeling which isolates an individual from social groups even when he is present in the crowd. Aim the primary of the study is to compare the level of loneliness among the adolescents of working and non-working mothers. Material and method non- experimental approach was adopted to compare level of loneliness among the adolescents of working and non-working mothers in the selected school of Yol Cantt, District Kangra. Comparative design was used, total of 60 adolescents were included in equal strength from working and non-working mothers respectively. Pilot study was conducted on 12 subjects and feasibility and sample size was determined, where study was found to be feasible. Inferential statistics were used for data analysis. Result: Findings of the study revealed that mean+SD score of working and non-working mothers 48.6+3.34 and 47.6+6.08 respectively, there is no significant difference between the level of loneliness among the adolescents of working and non-working mothers. Conclusion: The study concluded that working pattern of mothers does not affect the level of loneliness among the adolescents of working and non-working mothers.