Bhargava identifies the two districts of Jhunjhunu and Sikar and parts of Jaipur district along with Haryana districts of Mahendragarh and Rewari as part of Vedic state of Brahmavarta. Bhargava also locates the present day Sahibi River as the Vedic Drishadwati River, which along with Saraswati River formed the borders of the Vedic state of Brahmavarta. Manu and Bhrigu narrated the Manusmriti to a congregation of seers in this area only. Ashrams of Vedic seers Bhrigu and his son Chayvan Rishi, for whom Chyawanprash was formulated, were near Dhosi Hill part of which lies in Dhosi village of Jhunjhunu district of Rajasthan and part lies in Mahendragarh district of Haryana.