In the Assembly, Speaker Vijay Kumar Chaudhary briefed the members about introduction of supplementary budget and some legislations that would be taken on coming days of the session.
He reminded them that decent behaviour both inside and outside the House was prime responsibility of the members.
"It is a well known fact that no positive discussion can take place without ensuring free speech, but a debate cannot take place without proper arrangement," he said in his brief speech at the outset.
Later all members stood in silence to pay tributes to eight departed leaders.
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The State Legislative Council also had a brief sitting on the opening day.
After a brief address by Chairman Awdesh Narayan Singh, members paid tributes to the same eight departed leaders and also 10 jawans killed by Maoists on July 18.
Chief Minister Nitish Kumar and senior BJP leader Sushil Kumar Modi and RJD leader Rabri Devi were present in the Upper House.