Association member Nigel "Ollie" Sackett has spotted a Saket place in New Delhi, India. The name would appear to have a distinct Indian derivation and would not therefore be related to the Sackett family.
Wikipedia has two mentions:
1. "Saket is an upmarket residential colony located in the South Delhi district, of Delhi, India. The name Saket in Sanskrit means a place that is close to the heavens and Saket was the ancient name of the city of Ayodhya."—see Wikipedia: Saket (Delhi).
2. "Saket District Centre is a commercial centre located in Saket, New Delhi."—see Wikipedia: Saket District Centre.