The highest crane shot ever done for a feature film was done on 13 October 2003 with a 24ft Giraffe crane at 17.796 ft above the Tanglangla Pass (17582 ft) in Ladakh, India.
The vast majority of the non-speaking Army roles in the film were filled by real-life soldiers of 13th Battalion, The Punjab Regiment. (In the film, the unit portrayed is 3rd Battalion, The Punjab Regiment.)
When Director Farhan Akhtar went back to Indian Military Academy after 15 years. 70% of the gentlemen cadets told him , they joined Indian Military Academy after watching Lakshya.
The Drill Instructor at IMA, Subedar Srivardan, is in fact a real-life instructor who served in the senior-most/elite infantry unit in the Indian Army: The Brigade of the Guards.
When Hrithik Roshan was asked if there was anything about this movie that he would have changed, he answered that, in the second half, he would have changed Preity G Zinta's hair, which he found to be awful.