The government fronted six of its top ministers to launch a scathing attack on the opposition on Sunday as Rajnath Singh said the behaviour meted out to the Deputy Chairperson of the Rajya Sabha was not just "unprecedented" but "shameful". He also said that as far as the no confidence motion against Harivansh Singh is concerned, it is the prerogative of the Rajya Sabha Chairperson Venkaiah Naidu. "As far as I know, this has never happened in the history of Lok Sabha or Rajya Sabha. This very thing happening in Rajya Sabha is an even bigger matter. There have been attempts made to mislead the farmers on the basis of rumours. What happened (inside the house) was against the decorum of the House," said the Union Defence Minister without taking names of any members.