A Nagamallu, a traffic cop in Hyderabad is doing a good deed. He sings and spreads awareness on social evil and crime. Nagamallu has not only grabbed the attention of people in two Telugu speaking states of Telangana and Andhra Pradesh but also earned praises from his seniors. While he is not directing traffic, Nagamallu composes songs. He says he has composed about 20 songs so far and uploaded them on social media. While he is not directing traffic, Nagamallu composes songs. He says he has composed about 20 songs so far and uploaded them on social media.