Which one of the following pairs is incorrect?
The great wall of China was built by :
The average gestation period of an elephant :
Name the only Chief Minister of Kerala who found a place in Indian Commemoration stamps :
Which is the odd one in the following ?
ഇന്ത്യയില് ഒരു പുതിയ സംസ്ഥാനം രൂപികരിക്കണമെങ്കില്: