Doraemon has always been popular since it inception (1969). I used to watch it on tv when I was 6/7 in Japan (ahh... good ol days.. haven't watched an episode in ages). I believe it is still extremely popular in Japan.
Now, Doraemon in Hindi is just not acceptable. Either air in dubbed English or Bangla; I would even take the original Japanese.
Still love the theme song...
https://www.youtube.com/watch?v=_l-r7_f0CVs