How to control Your Mind? (For Beginners)

If you said No in your answer, then you are certainly not a human being. Because everyone in this material world struggles with his mind. Nowadays, these things are very commonly found in everyone, especially in youth. WHO says that in the next 10 years, the biggest problem of the world won't be cancer or some virus or anything else but Mental Health. Even, after COVID-19 there is a jump in these numbers. And the reason behind all these is our Mind.