Two construction workers were killed under a pile of concrete rubble after a building collapsed in south west Delhi's Satya Niketan area on Monday afternoon, said officials.
The dead have been identified as Bilal and Naseem.
The National Disaster Response Force (NDRF) was able to rescue five others.
A house collapse call was made to the police at around 1:25 on Monday afternoon. Six fire engines were rushed to the spot.
The house was undergoing repairs when it collapsed, said officials.
"This accident is very sad. The district administration is engaged in relief and rescue work. I myself am taking every information related to the incident," tweeted Delhi Chief Minister Arvind Kejriwal.
As per the South Delhi Municipal Corporation Mayor Mukesh Suryan, the building was someone's house who wanted to get it repaired. He also added that it was in a danger zone, and the same was notified to the police and the Sub-Divisional Magistrate.
Earlier, videos showed firemen pushing a water bottle through a hole to the workers stuck under the rubble.
An excavator was clearing away the rubble as police manned the area.
As many as 25 teams of NDRF were involved in the rescue operation.
Atul Garg, Delhi Fire Service Chief, said that the rescue operation has been completed.
3 Foreign Workers Trapped in Thai Tunnel Found Dead After Five-Day Rescue Operation 48 Workers Trapped As Under Construction Building Collapses In South Africa Several Workers Trapped After Massive Fire At Cosmetic Factory In Himachal MK Stalin Asks Centre To Recall Tamil Nadu Governor In Row Over Anthem US Man Wakes Up On Operating Table As Doctors Prepare To Remove His Heart Salman Khan Gets Fresh Threat: 'Pay Rs 5 Crore To End Enmity With Bishnoi' 3 Decades Later, First Brown Dwarf Ever Found Offers A Surprise "We Have A Lot Of Interest In Indian Films": Putin Praises Bollywood Sugar Content In Baby Foods Among Issues Under Parliamentary Panel Scanner Track Latest News Live on NDTV.com and get news updates from India and around the world.