The Vedas are the foundation scriptures of Hinduism. But still we can say that there isn't actually a sole central scripture of Hinduism. There are many hundreds of different kinds of scriptures and spiritual texts belonging to the many different and diverse forms - but all in essence, transcends from the Vedas.
There are six divisions of Hindu scriptures and these – in order of general authority and importance – are
the Shrutis,
the Smritis,
the Itihasas,
the Puranas,
the Agamas, and
the Darshanas.
Shrutis
Shrutis...