India, Sept. 8 -- At 75, Amrit Kaur is showing that age does not have to define how active or independent you can be. From doing push-ups and strength exercises to working out at the gym, Kaur's Instagram is filled with glimpses of her disciplined approach to health and fitness.

In a September 3 Instagram post, her son Aminder Singh shared a video of his mother during her workout routine. Sharing the video, he wrote, "This is the human potential at 75 years old also. Took candid videos of Mom today. She does all this by herself daily in the evening. Morning workouts she does at 4 am." (Also read: 100-year-old Dick Van Dyke's unusual workout on inversion table leaves fans stunned: 'We have absolutely no excuse' )

The video offers a glimp...