I watch free-to-air channels for free without Set top box?

I watch free-to-air channels for free without Set top box?

Without Settop box Free Channels | Cable Channels without set top box 2013 | Set Top Box Installation 

According to those in administration, once the signals go digital. STB - Set Top Box will be a mandatory requirement for decryption of signals. This means that antenna will he of no use. One will have to go through LCO and get STB. Even then, one cannot watch Doordarshan or free-to-air channels for free. Fixed subscription charge of Rs 100 per month shall have to be paid to LCO for these channels.