If you do not wish to subscribe to a new OTT, you can rent or buy Saakshyam on YouTube for roughly ₹50-₹100 INR ($1-2 USD). This provides a permanent copy in your library.
The Hindi dubbed version (titled Saakshyam – The Proof ) is available on Disney+ Hotstar as well, making it accessible to a pan-Indian audience. Saakshyam Telugu Movie Ott