He said that most cellular phone sets nowadays were capable of receiving radio signals provided they were in the Frequency Modulation (FM) mode.
Noting that all AIR stations had mandatory medium wave towers, Sircar said what was needed was to install a parallel FM tower alongside those. While the FM tower would only have an 80-km range, that would cover a majority of the local population, he added.
Sircar was speaking at a conference organised by the Broadcast Engineering Society.
Meanwhile, he hinted that Doordarshan's DTH platform may have up to 97 channels from April of this year.
I&B Minister Manish Tewari was also present on the occasion.