The NDA participated in the proceedings after a meeting of its leaders in the morning decided not to disrupt functioning of the two Houses.
Ten members, who were expelled from the Lok Sabha on December 23 2005 following media reports alleging misuse of MPLAD scheme funds, had filed writ petitions in the Delhi High Court.
Somnath Chatterjee brings the House in order when agitated RJD members demand action against JD-U leader Prabhunath Singh.
Lok Sabha Speaker Somnath Chatterjee said on Tuesday that he will give his ruling this week on the breach of privilege notice against the author and the daily Pioneer, containing critical references against him.
The National Democratic Alliance on Tuesday evening agreed to end the boycott of parliamentary committees.
Only the BJP felt that the Lok Sabha Speaker should reply.