A wide range of age groups, socioeconomic classes, and illiterate are among the population of internet users. Its unique feature to offer something or other to every user gratifies them to use it again. People utilise it for a variety of purposes, including socialising, shopping, banking, problem-solving, entertainment, and education. When used excessively, it can cause addiction and harm to those who use it. However, social media also has some good effects on users' lives; for example, many utilise these platforms to overcome feelings of loneliness and sadness, and the freedom of expression they have on these platforms gives users a sense of contentment. Furthermore, it wouldn't be incorrect to argue that increased usage has a significant impact on users, both positively and negatively.

The impact of internet on physical health, mental health, social life and academics on adolescents is also creating an alarming situation. Problematic internet use with FOMO and use of social networking sites with adverse impact is nowadays very common among the students. The study is aimed to find out the positive and negative Impact of Internet on mental health of adolescent. The study sample consisted of 400 higher secondary school students Sonipat, age ranging 13-18 years drawn randomly. Findings of the present study was Communication skills got better by using internet,it is a important and useful tool in current scenario. felt relaxed after using internet, for entertainment purposes was high Impact and internet controls the mood, felt confident, express themself, follow the popular internet trends was moderate impact and felt fear of missing out if did not post anything on social media was low Impact of internet on mental health of adolescent.