Doordarshan is India's national broadcaster, providing above 20 national and regional TV channels. These all channels are available on various DTH, Cable TV, IPTV and other platforms.
If you are unable to watch any Doordarshan channel then you can contact to your service provider. For your information all channels are free of cost weather you are using any services.
Well, if you want to know that which Doordarshan channel available on which DTH channel nos. then you can check this list.

SR.
Name of Channels
dd direct dth
Dish TV
TATA Sky
Airtel
Sun Direct
D2H
BIG TV
Hathway Delhi
Hathway Mumbai
1
DD NATIONAL
1
115
104
114
302
135
205
30
30
2
DD NEWS
2
563
453
280
550
319
405
227
227
3
DD BHARATI
5
119
161
124
674
674
216
475
475
4
DD URDU
44
788
175
611
640
787
971
596
596
5
DD SPORTS
3
663
401
244
510
415
502
164
164
6
DD INDIA
4
115
122
325
129
410
228
228
7
DD NORTH EAST
14
854
985
623
692
768
698
698
8
DD BANGLA
6
828
835
768
620
718
927
792
792
9
DD ORIYA 
15
844
971
602
630
794
760
796
796
10
DD SAPTAGIRI 
19
893
700
529
190
897
706
706
11
DD PODHIGAI
16
907
701
516
122
822
808
558
558
12
DD MALAYALAM
20
944
870
816
218
859
868
767
767
13
DD CHANDANA
7
882
810
852
272
849
888
608
608
14
DD SAHAYADRI
18
868
785
559
650
739
905
15
DD GIRNAR
8
872
591
660
745
943
531
531
16
DD PUNJABI
17
802
961
658
670
763
950
658
658
17
DD KASHIR 
9
824
612
680
788
978
695
695
18
DD BIHAR 
26
815
632
646
774
19
DD MADHYA
35
820
295
648
773
PRADESH
20
DD RAJASTHAN
49
817
296
639
749
684
684
21
DD UTTAR 
23
822
629
644
772
692
692
PRADESH