Unaspirated or tenuis consonants are occasionally marked with the modifier letter for unaspiration ⟨◌˭⟩, a superscript equal sign: ⟨t˭⟩. Usually, however, unaspirated consonants are left unmarked: ⟨t⟩.
কিভাবে অবাঞ্ছিত ব্যঞ্জনবর্ণ চিহ্নিত করা হয় না?
⟨t⟩