Qutub Minar Tilting @3.5 Seconds Per Year:No Excavation For Prevention

[New Delhi] Qutub Minar Tilting @3.5 Seconds Per Year ,But No Excavation is done for Its Prevention :Centre
As per the survey carried out by Survey of India, Dehradun, the mean rate of annual change in tilt is 3.5 seconds per year Which Is Considered Negligible. This Change is w.r.t its base centre.
To further prevent this negligible tilt, the entire base of Qutub Minar was water tightened to ensure that water does not percolate into the foundation of the monument.
Some architectural members of Hindu and Jain Temple were found during the course of conservation & scientific clearance.
Some of these members are on display in the Qutub Complex and the rest are kept in safe custody within the same complex.
No excavation has been carried out in Qutub Complex. Only scientific clearance/conservation was carried out as per requirement.
This information was given by Minister of State for Culture and Tourism (Independent Charge) and Minister of State for Civil Aviation Dr. Mahesh Sharma in a written reply in Rajya Sabha today