Can someone enlighten me on when should ঙ্ (as a conjunct with another letter) be used and when ং should be used for the “ng” sound in Bengali?
I.e., when should we write nk, nkh, ngg, ngh, etc, as ংক, ংখ, ংগ and ংঘ, etc, respectively and when should we write them as ঙ্ক, ঙ্খ, ঙ্গ, ঙ্ঘ, etc...