what do mean by White elephant..?

Answer 1

a) A white elephant is a supposedly valuable possession whose upkeep costs exceed its usefulness, and it is therefore a liability.

or

b) albino elephant) is a rare kind of elephant. Although often depicted as snow white, their skin is normally a soft reddish-brown, turning a light pink when wet. They have fair eyelashes and toenails.

Answer 2

A white elephant is a possession which costs more than it's worth.

The term come from the white elephant of East Asia, which is considered sacred to Burmese culture and cannot be neglected or abandoned, but has no practical use.

Answer 3

I do not know about any living white elephant.
But this is a expression-When a work or project or any activity whose cost goes very high at an abnormal level than originally planned, It is said that it has become a white elephant.