Which is the oldest religious text to throw light on the pre-Aryan culture that flourished in Himachal, 1000 and a half thousand years ago?

Which is the oldest religious text to throw light on the pre-Aryan cul

1.	Which is the oldest religious text to throw light on the pre-Aryan culture that flourished in Himachal, 1000 and a half thousand years ago?
A.	brahmin texts
B.	Puranas
C.	Rigveda
D.	aranyak
Answer» D. aranyak