Moily was explaining steps taken to clean rivers.
Minister K S Rao, who is from Seemandhra region of Andhra Pradesh, was also seen raising some issue, but could not be heard in din.
Amid pandemonium, the Speaker adjourned the House till noon.
In the Rajya Sabha, ruckus over Telangana and other issues flagged by slogan shouting TDP, DMK and AIADMK members in the Well led to two adjournments, including one within a minute after the House met for the day.
TDP members protested against bifurcation of Andhra Pradesh holding placards, while issues raised by DMK and AIADMK MPs could not be heard in the din.
Some Congress members too raised slogans for bifurcation of Andhra Pradesh.
