Adolescents age 10–19 years are such groups which can utilize their valuable times in study or simply engage time in social media for chatting or playing games in mobile which make them addicted to mobile. Context: Mobile addiction is still the mysterious problem. We must respond to this problem seriously. I want to investigate: • What are the main reasons behind mobile game addiction? • Who are at risk for mobile game addiction? Aims: • To gather primary information of mobile game users. • To assess the duration of use of mobile to play game among adolescents. Settings and Design: In this study, I have queried various self developed questionnaires to 400 students of age 10–19 yrs. Methods and Material: Questionnaire technique is used to collect relevant data from adolescents. Statistical analysis used: Parameters against which questionnaire was examined are as follows: • Importance of mobile for adolescents. • Time spent on Mobile. • Time spend by parents with their children. Results: • Besides communication, 90% Adolescents like mobile to play games, 7.5% to watch videos, and 2.5 % to attend online classes. • 64 % Adolescents spend 1–2 hours per day, 16% spend <1 hour per day, 10.5 % Adolescents spend 2–3 hours per day, 5.75 % Adolescents spend 3–4 hours per day and 3% spend >4 hours per day. • Both Father and mother are the earning members in 72–7% of adolescents while father of only 27% are the earning member of family. Conclusions: • Easy accessibility and affordability of Mobiles play an important role in mobile addiction. • Less availability of time spend by parents with their children and involvement of both parents are the main reasons behind mobile addiction.