In the video, which went viral, Mann was seen showing entry gate through which MPs enter Parliament House and saying how strong is the security.
"The car is registered with the Lok Sabha. It has a censor, which has the vehicle details. As soon as so you come near the gate, the censor identifies the car and announces the name and number of the car," Mann says in the video with him crossing several layers of the security.
In Parliament House, while Mann is explaining how the process works, he is also requested by a staff not to film anything.
"Has my video put the Parliament in danger? How is this illegal. I will again make a video and put it. Let the notice come," a defiant Mann said in response to reporters query whether his act was a security breach or not.
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The MPs also demanded that the matter be investigated
"Has this happened only because stupidity or was done at the behest some irresponsible forces. Bhagwant Mann's de-briefing should be done by security agencies.
"The visitors who come to Parliament are not allowed any camera or even a pen drive. Only MPs and some police officers have that privilege. This was done because there should not be any compromise on security, especially after the Parliament faced terror attack," Lekhi said.
Congress MP P L Puniya said the act was a security breach.
Terming the act as "improper", former Lok Sabha Speaker Somnath Chatterjee hoped that the Speaker will take timely and appropriate step in this regard.
"I am surprised with the video. The Speaker has formed a committee on security of Parliament and it will give its report. But we are scared due to the loopholes. It's out request with the President, Vice-President the Speaker and the Prime Minister to investigate this matter through a high level committee.
It could be debated whether he did for seeking publicity or he did to alert the security agencies," Tyagi said.