Complex sentence: As a writer he has authored around 30 books, among which ia a historical novel "Sembiyar Thilagam" (1200 pages), which got an award as the best book published in the years 1985 and 1986.
Split into simpler sentences: As a writer, he has authored around 30 books, among which is a historical novel "Sembiyar Thilagam" (1200 pages). This book was awarded as the best book published in the years 1985 and 1986.