India, Dec. 2 -- The government on Monday confirmed that several airports, including Delhi, Mumbai and Bengaluru, saw GPS spoofing signals last month, but said there was no impact on flight operations.

Addressing the Rajya Sabha, Civil Aviation Minister Ram Mohan Naidu detailed incidents of "spoofed" flights in vicinity of the Delhi airport, and said the Wireless Monitoring Organisation (WMO) had been tasked with tracing its source.

"Some flights reported GPS spoofing in the vicinity of IGIA, New Delhi while using GPS based landing procedures, while approaching on RWY (runway) 10. Contingency procedures were used for GPS spoofed flights approaching to RWY 10," Naidu said, in response to a query by MP Niranjan Reddy amid concerns followi...