Sri Prafulla Kumar Das (standing third from left), author of this epitomized book Alochana Prasange Vol 1 to 22 joins the Satsang Ashram in Pabna, Bangladesh in 1939. Here Thakur discuss with the disciples,visiting dignitaries and curious guests about the various aspect of human dwellings such as religion, spiritualism, education, society, money, industry, commerce,eugenics, varnashram, science,family, culture and many more.

The other books compiled by him are in Bengali Akhanda Jiban Darshan, Saswati, Sambiti, Anusruti - Vol I,II,III

It is very sad to note that author passed away at the age of 92 in the third week of October '06 in Bibek-Bitan residence of Thakur's second son Late Vivek Ranjan Chakravarty (Chorda) in Satsang, Deoghar, Jharkhand, India. He was survived by two sons, one Sri Muktendu Das currently living in Bibek-Bitan.