context: It was granted its Royal Charter in 1837 under King William IV. Supplemental Charters of 1887, 1909 and 1925 were replaced by a single Charter in 1971, and there have been minor amendments since then.
question: রয়্যাল ইন্সটিটিউটকে সনদ দেওয়ার দায়িত্ব কার?
answers: King William IV