Here is the latest channel list of DD Free Dish by wikipedia.
DD National
DD North East
Sony SIX
Ishwar TV
DW-TV
DD News
DD Oriya
DD Urdu
Sanskar
DD Sports
DD Podhigai
Time TV
India TV
NHK World TV
India News
DD Punjabi
France 24
Sahara Aalmi
DD Bharati
DD Sahyadri
News 24
TV24
Big Magic
India TV
DD Bangla
DD Saptagiri
Aastha TV
STAR Utsav
Russia Today
STAR Plus
DD Chandana
DD Malayalam
Mastii
Zee Anmol
Zee Studio
DD Girnar
Lok Sabha
Upasana
ABP News
Sony Mix
Enter10
DD Kashir
Ralkjjya Sabha
DD MP
B4U Music
9XM
Focus News
DD UP
Dabangg
DD Rajasthan
Shrie News
Ashtha Bhajan
Dangal (TV channel)
Rishtey
B4U Movies
Cinema TV
Sadhana National
Disha
DD Bihar
DD Punjabi
DD Urdu
DD Yadagiri
Smile TV
Channel NewsAsia
National Geographic Channel
Discovery Channel
STAR Movies
STAR Sports 1
STAR Sports 2
Australia Plus
Maha Movie
DD National
DD North East
Sony SIX
Ishwar TV
DW-TV
DD News
DD Oriya
DD Urdu
Sanskar
DD Sports
DD Podhigai
Time TV
India TV
NHK World TV
India News
DD Punjabi
France 24
Sahara Aalmi
DD Bharati
DD Sahyadri
News 24
TV24
Big Magic
India TV
DD Bangla
DD Saptagiri
Aastha TV
STAR Utsav
Russia Today
STAR Plus
DD Chandana
DD Malayalam
Mastii
Zee Anmol
Zee Studio
DD Girnar
Lok Sabha
Upasana
ABP News
Sony Mix
Enter10
DD Kashir
Ralkjjya Sabha
DD MP
B4U Music
9XM
Focus News
DD UP
Dabangg
DD Rajasthan
Shrie News
Ashtha Bhajan
Dangal (TV channel)
Rishtey
B4U Movies
Cinema TV
Sadhana National
Disha
DD Bihar
DD Punjabi
DD Urdu
DD Yadagiri
Smile TV
Channel NewsAsia
National Geographic Channel
Discovery Channel
STAR Movies
STAR Sports 1
STAR Sports 2
Australia Plus
Maha Movie