ASTRONOMY & MATHEMATICS IN THE INDIAN CLASSICAL AGE A THESIS SUBMITTED TO THE UNIVERSITY OF MUMBAI FOR M. A. IN HISTORY SUBMITTED BY SUYASHDEEP SASON UNDER THE GUIDANCE OF DR. GAURAV S. GADGIL DEPARTMENT OF HISTORY K. J. SOMAIYA COLLEGE OF ARTS AND COMMERCE VIDYAVIHAR, MUMBAI- 400077. UNIVERSITY OF MUMBAI JANUARY 2024