However, based on the title (which translates from Sinhala as "My Beautiful Ray/Light" or "My Beautiful Beloved"), this appears to be a popular Sinhala novel, likely a romance or a serialized story found on platforms like Siyatha , Sathsara , or various Sri Lankan literary blogs.
Since I do not have direct access to download files from your specific Google Drive link, I cannot analyze the exact content of . Mage Sonduru Kanthi 1.pdf - Google Drive