Secondary School Leaving Certificate subjects and model question papers for Class 10 students are also being made available in some states, it said.
Many of these classes help students prepare for their engineering and medical entrance examinations.
Doordarshan Kendras that are already broadcasting virtual classes are Karnataka, Telangana, Andhra Pradesh, Tamil Nadu, Kerala, Gujarat, and Jammu and Kashmir.
All India Radio stations broadcasting virtual classes are Vijaywada, Hyderabad, Bengaluru, Tiruchirapalli, Coimbatore, Puducherry, Madurai, Trivendrum, Tirunelveli, Panaji, Jalgaon, Ratnagiri, Sangli, Parbhani, Aurangabad, Pune, Nagpur, Mumbai, Gangtok, Guwahati, Bikaner, Udaipur, Jodhpur and Jaipur.
The stations broadcasting educational content are Bhopal, Chennai, Kozhikode and Thrissur.
On an average, a DD channel is airing two-and-a-half hours of educational content daily and an All India Radio channel 30 minutes.
Also, the total number of hours of daily content across DD network is 17 hours and 11 hours across All India Radio network, it said.