Even if you get the PDF via Google Drive, a PDF alone won't get you marks. The keyword in your search is "better." A better preparation strategy requires:
Most "Google Drive" searches redirect to Telegram channels. These channels often provide the 6th edition (2020) as the "latest." Don't fall for it. Check the preamble page—if it doesn't mention the 105th amendment, close it. Even if you get the PDF via Google
Most scanned PDFs from Google Drive are blurry, have missing pages, or contain OCR errors. Try reading "Article 368" when the scan says "ArticIe 368" (capital 'I' instead of 'l'). You will waste more time decoding the text than studying. Most scanned PDFs from Google Drive are blurry,