Last name as blank

[immihelp]

Hi,


My passport conatins first name as A **** * K **** and
last name as blank and same in US B1 Visa last name as FNU.I have already spend 3 months in US throgh B1 Visa.


Now i want to correction in my passport Kumar as Last name. I have question that After correction in Passport, Would once again apply for B1 Visa for change in B1 VISA or same Visa will work?

[immihelp]

You will have to carry both the old passport, new passport and the proof of name change to travel.