Priyanka, 36, who was standing at the side of the stage, yelled, "Prick".
"She likes Prick. I don't like that one that much," Jonas said as Fallon shot down the suggestion.
The singer said after they got engaged in America, they went to India for a traditional ceremony.
"After we got engaged, we went to India, to her home country, to Mumbai, and my parents came along. We did this beautiful Roka ceremony It's a confirmation from both sides of the family that they approve of the engagement.
"There's some beautiful prayers and a connection just for the family to have a chance to meet and hang out. It's really incredible," Jonas said
He said they felt "full of joy" after their ceremony and thought that now they should make it public.
"We both left that ceremony so full of joy. For she and I, I think it was just nice to have that time with the family first. Have that private moment then be able to share with the world afterwards," Jonas said.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)