>You can’t dispute with police under this section given section 91 is a rare section.

This is not true. There is enough precedence where this was successfully disputed. Including by Google and Amazon in India. Would Apple turn in all the records if a police officer asks for any data they seem fit for an investigation?

Re Hindutva:, there is enough literature online to educate you about it. https://cjp.org.in/tag/hindutva/