Media technology has become integral part of children ’s lives in the twenty-first century. The world of electronic media is changing with a fast pace . After television it has joined by many other media resources like cell phones (mobile), iPods , video games, messaging, social networks sites and e-mail. Usage of mobile phone and its effec t on subjective wellbeing of the participants is a very recent and emerging research especially in India. But still very few researches focus in the areas of concern. The current study examined the i mpact of smartphones on social behaviour and relationships, investigating smartphone use, pho ne etiquette, face- to-face communication and computer-mediated communication. This study is importan t in providing the outcome of smartphone use either it is positively or negatively ef fecting human life.. In our study we have taken 600 participants/respondents for the sample, and ou r study reveals that the positive impact of smartphone on the social, comman life of general us ers of India. In conclusion, smartphones undoubtedly have both positive and negative influences over users and it would be valuable research focused on the possible reasons for this.