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Last name Kalai Vaani (Kalai Vaani ) , all over the world, is an extremely rare surname. Much more prevalently, Kalai Vaani is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalai Vaani | Malaysia |
Navalan, Veeriya, Muniandy, Samykana, Krishnan, Veluthem, Bhaskaran, Vengrasalam, Ganasagaran, Ramamoorthy, and Balasubramaniam