According to officials, seven employees of the Yojna Bhawan having access to the basement have been detained for questioning.
The weapon carrying security personnel pushed journalists, who retaliated with more pushes and shoves.
The curtains have come down on the organisation that, for 64 years, was responsible for the country's planned development.
Within hours of the government announcing a new body to replace Planning Commission, the Yojana Bhawan staff began hectic preparations to welcome new Vice-Chairman of Niti Aayog and other members who are likely to be appointed shortly.
Industrialist Anil Ambani on Wednesday met Planning Commission deputy chairman Montek Singh Ahluwalia, who is reportedly in the reckoning for the post of Finance Minister in the new UPA government.
Yojana Bhawan is working overtime to complete the crucial Approach paper to the 12th Plan amidst a buzz that Planning Commission Deputy Chairman Montek Singh Ahluwalia may get a Cabinet berth in the reshuffle expected soon.
Breaks self-imposed rule never to return to an office he has occupied in the past.
The first set of unique identification numbers will be issued to the citizens within 12-18 months, high-profile IT expert Nandan Nilekani said soon after taking over as the head of the newly-created Unique Identification Database Authority of India (IDAI) on Thursday.
Hectic preparations are on at the newly-formed Niti Aayog to welcome the first Vice-Chairman Arvind Panagariya and other members whose appointments were approved by Prime Minister Narendra Modi on Monday.
CISF has ordered an inquiry into the incident and claimed that Meena took the extreme step because of personal reasons and not work-related stress.
On Friday, the nameplate of the erstwhile commission on the railings of the Yojana Bhawan was pulled down and replaced with NITI Aayog.
Government offices located in New Delhi's central area, including North Block and South Block, will be closed from 2 pm on Thursday till 9:30 am on Friday in connection with the 'Run for Unity' to be flagged off by Prime Minster Narendra Modi.
Diversified business house Trident Group would become the first corporate to use Aadhaar Payment Bridge (APB) for disbursal of salaries to its employees.
Even if the new body focuses on long-term planning, it is unlikely to do so through five-year Plans.
The term of the members of the Planning Commission is co-terminus with the Prime Minister and they would be submitting their resignations once the new government is formed after the ongoing general elections next month.
Suggestions made by the different experts have been noted and would be forwarded to Prime Minister Narendra Modi.
Dr Mitra called the Pandara Road crowd a 'cheerful collective of young dreamers,' united in its 'love and pride for the newly Independent India,' despite 'sharp disparities in background, temperament and attitude.' Dr Shreekant Sambrani recalls his encounters with the legendary economist who passed into the ages.