after how many kilometers should we take a car for wheel allignment?

how often should we get the car wheels alligned? after running how many kilometers should we consider wheel alignment for a car? ANSWER TO THE ABOVE QUESTION there is no fixed kilometer range after which you should take your car for wheelalignment.Its better if done once in every year. Do the below test: On a straight and level road, leave the car stearing and see if the car is still going straight or if it is tending to move towards right or left. If the cars goes forward in straight line, your car is in good shape. If it tends to move right or left, it means your car needs wheel alignment.