@TPS : I don't know why the guy said that.. may be he was not sure about that..
I again made this inquiry at avvo.com. And you can see the responses: which means we shoudl file it as c(19)
http://www.avvo.com/legal-answers/while-filling-i-765-and-i-821-at-the-same-time--wh-2248022.html?utm_campaign=answer_notify&utm_content=question_legal&utm_medium=email&utm_source=notification