The phrase line call is more generally used to indicate any decision in which the correct course is uncertain.
The official rules of most sports indicate how line calls are to be resolved. The actual phrase line call may or may not appear in the official rules.
In cricket, uncertainty is generally resolved in the manner most favourable to the batsman. Thus, if the umpires are not sure whether a dismissal actually occurred, the batsman is deemed not out. Similarly, if the umpires are unsure as to whether the bowler's action was legal for a particular delivery, a no ball is called.
'Need to Work on Mental Strength': Saina Nehwal's Poor Run at India Open Continues as She Loses Poise and Match after Line Call Goes against Her
Apr 26, 2013; New Delhi: Saina Nehwal's woeful run at the India Open Super Series continued for the third straight year. The World No. 2 was...