A cow was kept for viva.
School student: Its a cow.
College student: Perhaps this is a cow.
University Student: This may be cow or a hypopigmented buffalo.
PHD Student: This may be a hypertrophied goat or an atrophied elephant with congenital anomalies.
Moral: The more you study, the more your common sense decreases. =D
Hit ‘like’ if u r agree.. !!