Which word will best complete the relationship given below?
Mohiniyattam : Kerala :: Sattriya : ?

Correct option is D

The analogy is between a classical dance form and the state from which it originates.
Mohiniyattam is a classical dance form from Kerala.
Similarly,
Sattriya is a classical dance form from Assam.
Therefore, following the same pattern, Assam is the state associated with Sattriya dance.
Other option
(a) Andhra Pradesh is associated with Kuchipudi dance.
(b) Uttar Pradesh is associated with Kathak dance.
(c) Manipur is associated with Manipuri dance.