While many students search for "exclusive PDF downloads," it is important to note that most modern editions are protected by copyright to support the author's work. You can officially access the material through several channels:
If you need the official legal text of the Indian Constitution in Kannada, the provides a high-quality, up-to-date diglot (English-Kannada) version: Official Diglot Version (2019 Edition)
While a direct official PDF for Dr. P.S. Gangadhar's Indian Constitution and Polity