The commercial building stood on a disputed plot near V3S Mall and had been lying unoccupied.
Another two-storeyed building stood on the same plot. Mohan Chand Sharma and his family lived in it. Sharma suffered minor injuries in the building collapse. His wife and two sons, aged nine and 14 years, were safe.
Police said five fire tenders were rushed to the spot to carry out the rescue work.
Disclaimer: No Business Standard Journalist was involved in creation of this content