India, April 20 -- The Municipal Corporation of Delhi (MCD) has found high mosquito breeding rate stemming from large-scale violations of building norms at nearly 20% of the construction sites it inspected in the city, according to officials.

The findings have prompted the public health department to seek intervention of its engineering wing to control the said violations, the officials added.

With the rise in temperature and consequent increase in mosquito density, the public health department undertook a special drive on April 10 under which 267 construction sites across the city were randomly checked - of these, 53 sites were found with large-scale mosquito breeding, according to officials.

A senior MCD official said: "The construct...