Manoranjan D was associated with a social media page 'Bhagat Singh Fan Club" and appeared to be a "revolutionary type", police sources said.
The committee will probe the reasons for the breach in security, identify lapses, and recommend further action.
Speaking to PTI, Rao said this kind of incident could have been avoided had the recommendations of a committee headed by then Deputy Speaker of the Lok Sabha, appointed after the 2001 Parliament attack incident, been implemented.
Amol Shinde, arrested for protesting outside the Parliament building on Wednesday, had left his village in Maharashtra's Latur district saying he was going to Delhi to take part in an army recruitment drive, a local police official said.
Birla informed the House that four persons have been arrested - two from inside the House, and two from outside Parliament in connection with the incident.
Prime Minister Narendra Modi inaugurated the new Parliament building Sunday morning and installed the scared 'Sengol' in the Lok Sabha chamber, right next to the Speaker's chair, after performing a puja.
Lok Sabha Speaker Om Birla on Saturday rejected suggestions that the suspension of 13 opposition members was linked to their protests over the recent security breach and recalled that the House had displayed exemplary solidarity and collective resolve when breaches had happened in the past.
A sixth arrest has been made in the Parliament security breach case -- Mahesh Kumawat from Rajasthan's Nagaur who was allegedly in contact with the other accused for the last two years for hatching the conspiracy and had destroyed their mobile phones to get rid of the evidence, police said on Saturday.
Tharoor said, "My own view on the Sengol controversy is that both sides have good arguments."
The inauguration new parliament building will take place in two phases.
The Congress on Monday said Parliament is getting adjourned repeatedly as Home Minister Amit Shah 'refuses' to make a statement on the Lok Sabha security breach issue which is his duty and responsibility.
Several burnt parts of phones allegedly belonging to the accused involved in the Parliament security breach incident have been recovered from Rajasthan, police sources said on Sunday.
The submission was made before additional sessions judge Hardeep Kaur, who extended the judicial custody of all the six accused till March 1.
'This nation depends on the Union government for its safety, security and their development, but look at the state of affairs
The major security breach in Parliament on Wednesday brought to the fore shortcomings in the security protocol, driven in part by the shortage of parliamentary staff assigned to enforce it, a point made by some leaders in the all-party meeting convened by Lok Sabha Speaker Om Birla.
The Parliament security breach on Wednesday was well-coordinated, meticulously planned and carried out by six accused, five of whom have been nabbed, police sources said on Wednesday.
They have been interrogated for their actual motive behind the security breach, the sources added.
The police officials said all the five accused will have to undergo the polygraph test, while Sagar and Manoranjan will have to undergo additional naro-analysis and brain mapping tests.
Leader of Opposition in West Bengal Assembly Suvendu Adhikari on Saturday alleged that Lalit Jha, the alleged mastermind in the Parliament security breach case, was associated with the youth wing of the Trinamool Congress.
A man and a woman were detained on Wednesday while they were protesting outside the Parliament building carrying cans that emitted a yellowish and red smoke, the police said in New Delhi.
The parliament duty group of the CRPF wound up its entire administrative and operational paraphernalia -- vehicles, weapons and commandos -- from the complex on Friday and its commander, a deputy inspector general-rank officer, handed over all the security points in the complex to the incoming CISF group, the sources said.
A Delhi court on Thursday extended till January 5 the police custody of four accused arrested in the Parliament security breach case, after the city police said they needed to uncover all those involved in the conspiracy.
This takes the number of suspended MPs in the Lok Sabha to 97.
In her first address to a joint sitting of the two Houses in the new Parliament building in which she touched on varied issues ranging from insurgency to inflation, Murmu said a country can progress at a fast pace only when it defeats the challenges of the past and puts maximum energy into building the future.
In 2022, Lalit Jha, Sagar Sharma, 26, and Maoranjan D, 34, met in Mysuru where they made a plan to barge into the parliament to attract the attention of the country.
As the adjournment of Parliament for an indefinite period with the Rajya Sabha also adjourning sine die kickstarts the final countdown for the general elections, Modi said the last five years were a period of "reform, perform and transform" with the country moving towards "big changes" at a fast pace.
BJP derided Gandhi saying he "always talks trash" and claimed that unemployment was at its lowest in the last six years.
We will keep working even harder to build a developed India, Modi tweeted.
Amid demands from the Opposition for a statement by Home Minister Amit Shah on the issue of Parliament security breach, Lok Sabha Speaker Om Birla Thursday asserted that as custodian of the Parliament complex, it was his responsibility to ensure security.
A Delhi court on Thursday sent the four accused arrested for the shocking breach of security at the new Parliament building to the city police's custody for seven days for interrogation.
As many as 14 opposition MPs were suspended from Parliament for the remainder of the winter session for disrupting proceedings, as the Lok Sabha security breach incident snowballed into a major row on Thursday with the government asking the opposition not to "politicise" the "grave national issue" and the Congress, Trinamool Congress and others demanding a statement from Home Minister Amit Shah.
She also holds the distinction of delivering the longest budget speech at two hours and forty minutes in 2020.
The Delhi Police probing the Parliament security beach case for more than 40 days on Tuesday said the six accused were 'self-funded and self-motivated' to do 'something big' for fame.
Police have also collected bank account details of all the accused to see if they received money from someone for executing the December 13 incident, police sources said on Monday.
Congress leader Rahul Gandhi on Sunday said that the President should inaugurate the new Parliament building and not the prime minister.
The Delhi Police Special Cell suspects Manoranjan D one of the six people arrested in the Parliament security breach -- to be the mastermind behind the conspiracy, hatched to send a message to the ruling government by doing 'something big', said a source privy to the probe.
With this, the total number of MPs suspended for unruly behaviour from the Lok Sabha and the Rajya Sabha stands at an unprecedented 146 since December 14.
Slamming Opposition parties for disrupting parliamentary proceedings, the Bharatiya Janata Party on Thursday said as details of the Parliament security breach incident emerge, it is getting "obvious" that the DNA of those who entered the Lok Sabha is inextricably linked to the "Congress-Communist axis".
The special team of Delhi Police searched Parliament breach accused Neelam Azad's residence in Haryana's Jind and took away her old diary and some books.
Special judge Hardeep Kaur remanded Jha in Delhi police's custody after the public prosecutor said he was the mastermind of the incident and was required to be questioned to unearth the entire conspiracy.