Bangladesh Television is the state-run broadcasting network that provides a wide variety of programmes in Bengali and English. It started broadcasting on 25 December 1964. It also operates a sister channel ''BTV World'' since 2004. Sangsad Bangladesh is another government-owned TV channel that broadcasts parliamentary activity of Bangladesh since 25 January 2011. Cable and satellite networks such as ATN Bangla, ATN News, Banglavision, Channel i, Channel 9, Ekushey Television, Gaan Bangla, Gazi Television, Independent TV, NTV, RTV and Somoy TV are among the most popular channels.