Cancelled without prejudice means that it could be an administrative mistake from US consulate or a duplicate visa in your passport. ... Cancelled without Prejudice does not have any bad affect on your future or existing US visa applications. It does not mean that you did anything illegal.

What is Cancelled without prejudice mean?

A stamp an embassy or consulate puts on a visa when there is a mistake in the visa or the visa is a duplicate visa (two of the same kind). It does not affect the validity of other visas in the passport. It does not mean that the passport holder will not get another visa.

Do I need to indicate Cancelled without prejudice in DS 160 as visa rejected or denied?

Do I need to indicate Cancelled without Prejudice in DS-160 as Visa Rejected or Denied ? No, your visa was not denied or rejected by visa officer, if they put stamp that says “cancelled without prejudice” . You do not have to indicate anything on the DS-160 form during US visa application process.