Question

What did nankaka observe on Gavaskar's body on the day of his birthday? How did it help in retaining his identity?

Answer 1

On the day Sunil Gavaskar was born, Nan-kaka noticed a little hole near the top of Gavaskar’s left ear lobe.

Next day, apparently after babies were given their baths, Gavaskar got exchanged with a fisherwoman’s baby but this hole on his ear lobe helped in finding him back.