While your link is from a third-party blog, official Tamil dubs are available through several platforms:

S01:E02 - The Shadow of Courage/Dr. Le Quack Amnesia Specialist

: After a wealthy, cruel old man dies, his shadow escapes and begins terrorizing the Bagge farm. Courage eventually discovers that the shadow isn't truly evil—it just wants to be a "star" in show business.

The file you are referring to contains of Courage the Cowardly Dog , featuring two segments: "The Shadow of Courage" and "Dr. Le Quack, Amnesia Specialist," dubbed in Tamil . Episode Details

: Muriel develops amnesia after a wooden plank hits her on the head. Courage calls for a doctor and gets Dr. Le Quack , a French con artist duck who intends to torture Muriel into revealing the location of her valuables. This episode marks the first appearance of the recurring villain Le Quack. Where to Watch in Tamil