It would be irresponsible to write this article without addressing the elephant in the room. Luv Ranjan Films and T-Series (the producers) hold the copyright to SKTKS. Uploading the full movie to the Internet Archive violates DMCA (Digital Millennium Copyright Act) laws.
You have $2-3 to rent it legally. The experience on the Archive is clunky, the search can be frustrating, and the video quality is inconsistent. sonu ke titu ki sweety internet archive
Therefore, finding a legitimate, legal, high-definition stream of the full movie on the Internet Archive is highly unlikely. Rights holders for major Indian films are aggressive about protecting their intellectual property. Links to the full movie are frequently removed or were never officially sanctioned. It would be irresponsible to write this article