The legal digital version of the book is often listed on platforms like KopyKitab or Google Play Books. While it isn't "free," the price is usually a fraction of the physical book (₹50 to ₹150). This is the safest "PDF" you can get.
Downloading the PDF is only step one. Here is a proven study plan to ensure you retain the material. balasaheb shinde english grammar pdf free download
To give you a taste of why his PDF is in demand, let's look at one of his famous mnemonic rules for Subject-Verb Agreement regarding collective nouns: The legal digital version of the book is
Shinde Sir’s Rule: "Unity takes Singular, Members take Plural" Most books list exceptions
Most books list exceptions. Shinde’s notes condense this into a two-line formula. This is the "PDF magic" you are missing.