If you are looking for the original version (with subtitle options), it is available on: : Available in select regions. Amazon Prime Video : Available for streaming or rental.
If you are looking for a summary or review in Hindi, several YouTube channels provide detailed explanations of the plot and its ending: lake placid 1999 hindi dubbed exclusive
The true exclusive (uncut, uncensored, with premium voice acting) is often circulated via telegram channels and private movie collectives dedicated to "Lost Dubs." Fans have remastered the old VCD audio and synced it to the 4K Blu-ray print. If you see a file named Lake.Placid.1999.UNCUT.Hindi.Dubbed.Exclusive.1080p , it is likely this fan restoration. If you are looking for the original version