The Bible League has made many translations of the Bible available as a free download. Please go to their web site to find these Indian Bibles in PDF:
Malayalam: https://www.bibleleague.org/resources/bible-download/malayalam-bible
Hindi: https://www.bibleleague.org/resources/bible-download/hindi-bible
Bengali: https://www.bibleleague.org/resources/bible-download/bengali-bible
Gujarati: https://www.bibleleague.org/resources/bible-download/gujarati-bible
Kannada: https://www.bibleleague.org/resources/bible-download/kannada-bible
Marathi: https://www.bibleleague.org/resources/bible-download/marathi-bible
Nepali: https://www.bibleleague.org/resources/bible-download/nepali-bible
Oriya: https://www.bibleleague.org/resources/bible-download/oriya-bible
Punjabi: https://www.bibleleague.org/resources/bible-download/punjabi-bible
Tamil: https://www.bibleleague.org/resources/bible-download/tamil-bible
Telugu: https://www.bibleleague.org/resources/bible-download/telugu-bible
Urdu: https://www.bibleleague.org/resources/bible-download/urdu-bible