Answer: West Champaran
Notes: Lauriya Nandangarh is a town located 28 km northwest of Bettiah, the headquarters of West Champaran district of Bihar. Lauriya derived its name from a pillar (Laur) of Mauryan emperor Ashoka. Nandangarh is the name of a mound, situated 2 km to the south-west of the Ashoka Pillar. According to many historians, as many as forty pillars were constructed in Lauriya Nandangarh by Ashoka. In the present time, there is only one pillar at this site, which stands in its complete form.
