Option d is the correct answer. Kirtistambh, or Tower of Fame, was built in the Solanki architectural style. Kirti Stambh is a 12th-century tower built by a Jain merchant Jijaji Bhagerwala during the reign of Rana Kumbha. The main purpose behind its commission was to glorify Jainism. Atri Kavi and his son Mahesh composed the Prashasti of Kirti Stambha.