My infant is 1 yr 6months and She born in US country. She travelled with me in last year November 2014 to India and she is staying with my Parents. On coming April 2nd, She will travel to USA with my parents. Please let me know what are the documents my parents should bring for her. And also, I would like to know whether I have to send any consent letter for her. If yes, Should I need to send original letter to India, while they bring it on the travel date or I can send the scanned copy of letter to them and they will take copy on the travel date. Please respond asap.