This appears to be prevalent worldwide.

A while back there was a similar event: somebody fitted a camera in his car before sending it for service in Bangalore, India. The car was returned after a "wash". (Source: Busted: Maruti Baleno sent for service, gets only a car wash and nothing else – Owner had a camera installed [0])

[0] https://www.rushlane.com/maruti-baleno-service-fake-12252877...