Correct Answer: (a) Bhoja
Solution:The popular book 'Samarangana Sutradhara' written by Parmara king Bhoj was based on artificial scientific equipment. 'Saraswati Kanthabharan', 'Siddhanta Sangraha,' 'YogaSutra Vritti,' 'Rajamartand,' 'Vidya Vinod.' 'Yukta Kalptaru' and 'Karucharya' are some of his masterpieces. In the beginning, the commission has considered option (a) as the correct answer, but in its revised answer sheet, the commission has changed the answer to option (b).