In india the power supply is always in multiple of 11, eg.220 V, 440 V... w

In india the power supply is always in multiple of 11,
eg.220 V, 440 V...
what is the reason?

Question Posted / rishi

Answers were Sorted based on User's Feedback

In india the power supply is always in multiple of 11, eg.220 V, 440 V... what is the reason?..

because in india 11 is considered as shubh shagun.

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