His duty included visiting Diamond Harbour every day and supervise the loading and unloading of cargo.
[1][2] Sarkar chanced upon a foundering vessel on the Hoogly river and inspected the wreck and cost of recovery out of habit.
He recounted the incident to Dutta, his master, and he said: "Ramdoolal, the money is yours … you sowed the seed and you shall reap the harvest."
[3][2] Sarkar became associated Fairly Fergusson & Company and other independent traders as their banian.
By 1790, merchant houses in Salem, New York, Philadelphia, and Boston were sending their trading vessels to buy goods from Bengal; Sarkar was their primary associate.
[4] In the book Calcutta Banians for the American Trade: Portraits of Early Nineteenth-Century Bengali Merchants in the Collections of the Peabody Museum, Salem and Essex Institute, Bean writes:[5] In 1801 twenty-two American merchants in gratitude presented a life-sized oil on canvas, the first portrait of George Washington by William Winstanley .
to their banian Ramdoolal Dey under whose guidance they had all prospered in the Bengal trade.Sarkar died on 1 April 1825 due to old age.