INSAT has been a major catalyst for the expansion of television coverage in India. Satellite television now covers 100% area and 100% population. The terrestrial coverage is over 81 percent of the Indian land mass and over 92 percent of the population. Doordarshan is a major user of INSAT satellites for providing television services over the country. At present, 33 Doordarshan TV channels are operating through C-band transponders of INSAT-3A, INSAT-3C, and INSAT-4B. All of the Satellite TV channels are digitalised.
The following satellite television services are being operated by Doordarshan:
National networking service (DD-1), DD News (DD-2), DD-Sports, DD-Urdu, DD-India, DD-Bharati and DD-HD
Regional services in the states of Kerala, Karnataka, Jammu & Kashmir, Tamil Nadu, West Bengal, Andhra Pradesh, Gujarat, UP, Assam, Maharashtra, Punjab, Himachal Pradesh, Rajasthan, Tripura, Odisha, Bihar, Madhya Pradesh, Uttarakhand (Uttaranchal), Haryana, Mizoram, Jharkhand, Manipur, Arunachal Pradesh, Chhattisgarh, Andaman & Nicobar Islands and Lakshadweep Islands
Around 1415 transmitters of Doordarshan are working through INSAT system to cater to DD-1 network, DD-News network and Regional services. 59 Doordarshan and Private TV channels are operational through DTH service (“DD Direct+”). 10 channel DTH planned in C-Band for Andaman & Nicobar Islands is operational since September 17, 2009. DD HD Service has been started on October 03, 2010 with the start of Commonwealth Games 2010.
DTH services are becoming popular with the introduction of premium services like HDTV services, On-demand movie services, etc. High power Ku-band transponders are used to support DTH television service with smallest dish antenna all over India.
About 75 Ku-band transponders from INSAT/GSAT and Leased satellites are catering to DTH television services. More than 40 million DTH connections are subscribed to various DTH television providers, including DD DIRECT+.