Lok Sabha Speaker Sumitra Mahajan on Friday informed the house that Aam Aadmi Party (AAP) member Bhagwant Mann would not attend the proceedings of the house till December 9.Mahajan extended Mann's quantum of punishment. Mann was being probed by a nine member Lok Sabha committee for posting video footage of Parliament on a social media site.Mahajan had set up a panel on July 25 to probe the alleged breach of Parliament security by the AAP leader, who on July 21 posted on Facebook his route from home to Parliament House.