There are many writers simultaneously.You can say it may be Rabundranath Tagore or Bankim.
The first writer of a Bengali grammar book was Raja Rammohan Roy, an influential Bengali philosopher and social reformer in the 19th century. His work "A Grammar of the Bengali Language" was published in 1832.
The autobiography "Amar Jiban" was written by renowned Indian writer Bankim Chandra Chattopadhyay. It was first published in 1869 and is considered a classic of Bengali literature.
yes , he was very popular writer in bengali.
Upendra Rana is the First Indian SEO Book Writer.
It is based on Bengali Langauge.
He was a book writer
Ruhul Amin Ruhel is a one of the bengali author. he is chairman of Abdul Matin education trust.
trailokyanath mukhopaddhyay
Satyajit Ray. He is a Bengali Filmmaker and a fiction writer.
Rabindra Nath Tagore
Satyajit Ray. He is a Bengali Filmmaker and a fiction writer.
Everyone was amazed with the writer's first published book Hope this helps