According to some accounts, she was such a huge fan of Alamgir that she left Iran and just showed up in Pakistan, to asking to perform with him on his popular TV show.
Alamgir's famous song Dekha Na Tha was composed during one of the episodes of that show, and a black and white video of Alamgir and Nazi singing it as a duet is popular on the Internet. The song was made part of the soundtrack of the 1977 Pakistani film Bobbie & Julie. The film flopped but the song became a phenomenal hit.