Question

What is Duma??? How many duma were formed??​

Answer 1

Contemporary sources always refer simply to "the boyars" or to "the duma", but never to the "boyar duma". Originally there were ten to twelve boyars and five or six okolnichies. By 1613 the duma had increased to twenty boyars and eight okolnichies.

Answer 2

$\huge\mathfrak\red{idk }$

‘Duma’ originally denoted pre-19th century advisory municipal councils in Russia. It later referred to any of four elected legislative bodies established due to popular demand in Russia between 1906 and 1917. After the collapse of the Soviet Union, a new Duma was set up in 1993 as the lower chamber of the Russian parliament