Correct option is A
A terracotta seal bearing Brahmi script was recovered from Bairath (also known as Viratnagar) in Rajasthan.
Bairath is an important archaeological site with remains from Mauryan, Shunga, and Kushana periods.
The site has yielded:
Terracotta seals
Inscriptions in Brahmi script
Remains of Buddhist monasteries and Ashokan edicts
The presence of Brahmi script on the seal indicates its association with early historical periods, likely during or just after Ashoka's reign.
Rairh – Known for early historic settlement but no specific terracotta seal with Brahmi.
Rangmahal – Famous for Kushana-period painted pottery.
Sambhar – Known more for salt production and medieval period finds.