Mumbai, July 21 -- Captain Fresh, a business-to-business (B2B) seafood marketplace, is expected to file its draft red herring prospectus (DRHP) for an initial public offering (IPO) within the next three weeks, according to two people familiar with the matter.

"The company is expected to file the IPO papers by mid August and will subsequently launch its pre-IPO round," one of the two people said, adding that the seed investors are expected to sell in part or full in a $50-75 million round.

The planned filing is part of the company's broader push to access public markets in the current financial year through a $400 million IPO. It converted into a public entity earlier this month and has appointed Axis Capital and Bank of America to manag...