Newly elected Chief Minister Raghubar Das proposed his name and Social Welfare Minister Louis Marandi seconded Oraon's name as the speaker of assembly.
Taking up the proposal, Protem Speaker Stephen Marandi announced Oraon's election as unanimous.
Barring five the rest of the MLAs of the 81-member house took their oath on Tuesday on the first day of the inaugural session of the fourth Jharkhand assembly.

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