@tgcreatorbackup_pml3askmhd_2023_www_skymovieshd_bio_1080p_nf_hdrip_org_dual_x264.mkv

This indicates it contains the "Original" audio track and likely a second dubbed language (usually Hindi and English or another regional language).

Likely a specific release group or internal tracker tag. This indicates it contains the "Original" audio track

To understand the "interesting" technical side of your file: This indicates it contains the "Original" audio track