In Dvapara age as also in the Kali, the Vedas become of doubtful interpretation. Towards the close of Kali again, it is doubtful if they ever can be seen by the eye.
द्वापरे विप्लवं यान्ति वेदाः कलियुगे तथा। दृश्यन्ते नापि दृश्यन्ते कलेरन्ते पुन: किल॥