While shooting a scene for the song "Kinare Kinare Chale Jayenge" in "Vidya", the boat that was carrying both of them was capsized and Dev Anand saved Suraiya from drowning. After that Suraiya fell in love with him.
Their romance was the talk of the town and they were the most sought after by producers and distributors.
Dev Anand and Suraiya appeared together in seven films: Vidya (1948), Jeet (1949), Shair (1949), Afsar (1950), Nili (1950), Do Sitare (1951) and Sanam (1951) an dall of them were successful at the box office.
Finally Dev proposed to Suraiya on the sets of the film "Jeet" and gave her an expensive diamond ring worth Rs 3,000/-.
However their romance ended as Suraiya could not take a stand against her strict grandmother who was opposed to the Interracial Marriage as Suraiya was a muslim girl and Dev was Hindu.
Here is a song "Kinare Kinare Chale Jayenge" from movie Vidya.