https://shijayprojects.blogspo....t.com/2022/11/delhi-

A recent magnetic survey in Delhi has revealed a wealth of valuable information about the city's history, monuments and residents. The survey, which was conducted by the Indian Institute of Technology (IIT) Delhi, also found that many buildings in the city are still vulnerable to magnetic susceptibility attacks.

https://shijayprojects.blogspo....t.com/2022/11/what-l

The geophysics services surve in Delhi was conducted by the Geological Survey of India (GSI) on Oct. 18-21, 2016. The surveying was aimed at understanding the geology and seismology of the city. The GSI also undertook a study of groundwater resources in the city. A geophysical services survey is an important part of any geophysical exploration and development project. A survey can help identify potential geological features, determine the quality of data acquisition, and make ground-based decisions about where to drill.