Chand Sadagar, (the surname is also spelt Saudagar), was a rich and powerful merchant of Champak Nagar in ancient India. Bipradas Pipilai

Bipradas Pipilai

Bipradas Pipilai , was a 15th century poet. He was the son of Mukunda Pipilai, the family hailed from Badurya-Batagram in 24 Parganas, now in the Indian state of West Bengal.-The Manasa Vijay:...

 gave an account in his Manasamangal about the merchant ship of the trader Chand Saudagar proceeding to the sea, passing through Saptagram

Saptagram

Saptagram was a major port, the chief city and sometimes capital of southern Bengal, in ancient and medieval times, the location presently being in the Hooghly district in the Indian state of West Bengal. It is about 4 km from Bandel, a major rail junction. By the early twentieth century, the...

 and Tribeni

Tribeni

Tribeni is a small town in Hooghly in the state of West Bengal, India. It was an old holy place for the Hindus. The Muslims took over it during early phases of their conquest of Bengal.-Geography:Tribeni is located at ....

, the tri junction of the Ganges, Saraswati

Saraswati River (Bengal)

Saraswati River refers to a river, that was a distributary of the Bhagirathi and is now no more there but was active till around the 16th century AD. The course and condition of the Saraswati has played an important role in the development and decline of river port towns in Bengal...

 and Yamuna. His life is a story of how he was forced to be converted to become a worshipper of Manasa

Manasa

Manasa is a Hindu folk goddess of snakes, worshipped mainly in Bengal and other parts of northeastern India, chiefly for the prevention and cure of snakebite and also for fertility and prosperity. Manasa is the sister of Vasuki, king of Nāgas and wife of sage Jagatkāru...

, the goddess of snakes.
According to Hindu mythology

Hindu mythology

Hindu religious literature is the large body of traditional narratives related to Hinduism, notably as contained in Sanskrit literature, such as the Sanskrit epics and the Puranas. As such, it is a subset of Nepali and Indian culture...

, Chand Sadagar was an ardent devotee of Shiva

Shiva

Shiva is a major Hindu deity, and is the destroyer god or transformer among the Trimurti, the Hindu Trinity of the primary aspects of the divine. God Shiva is a yogi who has notice of everything that happens in the world and is the main aspect of life. Yet one with great power lives a life of a...

 but Manasa had set her mind on making him a devotee.