The Anthraper Family History book was republished in 2015. The famous Indian novelist and short story writer, Benyamin has written the introduction to the republished edition of Anthraper Family History book. In it he mentions the situation in which he wrote the novel ' Manja veyil maranangal'.
https://english.mathrubhumi.com/features/social-issues/the-arrival-of-portuguese-and-origin-of-anthrappers-1.29766