- Portable and Inexpensive: Radio is portable among many modes of communication. They can be used in cars, stores, and other places, which helps to reach the targeted audience. According to researchers, broadcast radio reaches 99% of the Indian population today. Moreover, rural India is heavily dependent on it for information. It is also the cheapest and most portable medium: a radio set can be purchased for ₹100, making it more affordable than a mobile phone, television or any other source of entertainment and information.