Amid the renewed chaos, an Andhra MP collapsed and was rushed to hospital.
If all this wasn't enough, supporters and opponents of Telangana fought with one another outside the house, leaving an unspecified number injured.
The Rajya Sabha, which too witnessed noisy disturbances, was adjourned for the day. And so was the Lok Sabha.
In the upper house, Congress member K.V.P. Ramachandra Rao and TDP's Y.S. Chowdhary and C.M. Ramesh stood in front of the chairman's podium holding placards that demanded a “United Andhra Pradesh!”
TDP's Gundu Sudha Rani and some Congress leaders in turn flashed a placard seeking Telangana.
The Lok Sabha developments drew widespread condemnation.
Parliamentary Affairs Minister Kamal Nath said Thursday's ruckus "is a big blot on our parliamentary democracy... It is a very shameful act".
Said Meira Kumar: "Our democracy is admired throughout the world. What has happened today is a blot.”
Home Minister Sushilkumar Shinde promised “strict action” against the MPs.
Rajagopal and other MPs from the Seemandhra region are bitterly opposed to the division of Andhra Pradesh.
They have been staging noisy protests in the Lok Sabha right from the day it convened Feb 5, leaving both houses crippled day after day.
The BJP and the CPI-M blamed the Congress for the chaos, saying it was not unable to rein in its own ministers and MPs.
BJP leader L.K. Advani, one of India's most experienced parliamentarians, described the events as “disgraceful”.
There will be no parliament session Friday on account of Ravidas Jayanti.
Here is live reporting of today's events: