To answer this question, you need to be familiar with the authorship of the novel "Palli Samaj".
Option A) Sarat Chandra Chattapadhyay - This option is correct. Sarat Chandra Chattapadhyay is the author of the novel "Palli Samaj".
Option B) Rabindranath Tagore - This option is incorrect. Rabindranath Tagore is a renowned poet and writer, but he is not the author of "Palli Samaj".
Option C) Bibhuti Bhusan Bandyopadhyay - This option is incorrect. Bibhuti Bhusan Bandyopadhyay is known for his novels like "Pather Panchali" and "Aparajito", but he did not write "Palli Samaj".
Option D) Bankim Chandra Chattapadhyay - This option is incorrect. Bankim Chandra Chattapadhyay is the author of famous novels like "Anandamath" and "Devi Chaudhurani", but he did not write "Palli Samaj".
The correct answer is A) Sarat Chandra Chattapadhyay. He is the author of the novel "Palli Samaj".