Disclaimer: Gita Press holds the copyright for their specific translation and typesetting. However, they are famously generous with digital distribution for non-commercial, devotional use.
Here are legitimate ways to acquire the PDF:
Problem: The PDF file says "Mahabharatam Telugu PDF Gita Press" but opens as blank pages. Solution: You likely downloaded a file with missing font mappings. Download the scanned image PDF (usually 200MB+ for the full set) rather than a "text" PDF.
Problem: The Telugu script is too small. Solution: Use a PDF editor to crop the margins. Crop out the white borders to blow up the text size on your tablet or laptop.
A: Significantly different.
The original Gita Press Mahabharatam is massive. In Telugu script, it spans approximately 4,000 to 5,000 pages across 6 to 8 volumes. A complete PDF set typically includes: