A 20 year old male, following a road traffic accident was

A 20 year old male, following a road traffic accident was brought to the casualty. His right leg is shortened, internally rotated and adducted. The diagnosis is


a) fracture neck of femur 
b) anterior dislocation of the hip  
c) posterior dislocation of the hip                       
d) trochanteric fracture of the femur


Ans (c)