ABCD 2 was a 3D film. Pirates often rip the left-eye and right-eye streams. If they do it incorrectly, you get a "ghosted" image or a "half-SBS" (Side-by-Side) file that plays as two squashed images on a regular 2D screen. The "fixed" version corrects the aspect ratio.
safely and legally, it is generally available on major streaming platforms like Disney+ Hotstar abcd 2 isaidub fixed