Disinfection and sanitisation of the building is under way and contacts of the infected person have been asked to go on self-quarantine, according to a tweet.

The Niti Aayog building in the national capital has been sealed for 48 hours after an employee working there tested positive for COVID-19.
An employee working at NITI Bhavan has been detected positive with COVID-19. It was informed to the authorities at 9 a.m. this morning. NITI Aayog is following all the due protocols necessary as per the Ministry of Health guidelines. The building has been sealed, the government think tank said in a tweet.
It added that disinfection and sanitisation of the building was under way. In addition, contacts of the single COVID-19 positive person have been asked to go on self-quarantine.