Option b is the correct answer. The Pre-Ashokan Brahmi script was found at Anuradhapura. Anuradhapura is a major city in Sri Lanka, known for its well-preserved ruins of the ancient Sinhalese civilization. The discovery of Pre-Ashokan Brahmi script in Anuradhapura indicates the presence of written communication in the region before the time of Emperor Ashoka's inscriptions. This finding holds significance in understanding the historical and cultural developments of the area. Important Tips Nagarjunakonda, Palnadu district, Andhra Pradesh: The Nagarjunakonda inscriptions, in Prakrit or Sanskrit, Brahmi script, or a mix of both, and in the Brahmi script date back to the late 3rd to early 4th century CE. They blend standard and hybridized Sanskrit, relating to Buddhism and Shaivism, marking some of South India's earliest substantial Sanskrit inscriptions. Brahmagiri, Chitradurga district, Karnataka: The site has a minor rock edict of Emperor Ashoka. It is inscribed in Prakrit using the Brahmi script. It conveys Ashoka's commitment to Buddhism, promoting moral values, and instructs the widespread carving of edicts on pillars and rocks for public awareness. Maski,Raichur district, Karnataka: The site has a minor rock edict of Emperor Ashoka. It was the first edict of Emperor Ashoka that contained the name Ashoka in it instead of devanampriya or Priyadassi. The inscription remains a dharma shasana, and tells the people to follow the tenets of Buddhism.