Do you know the connection between Salman starrer 'Sultan' and 'Hum Dil De Chuke Sanam'

Bollywood Superstar Salman Khan's film 'Sultan' release date is coming close, so craze of this film is also getting incresased. Come let tell you come interesting facts about Sultan, You must be remembering 'Hum Dil De Chuke Sanam', do you know what is the connection of Sultan with Salman-Aishwarya starrer this film ? Actually, Salman khan is shooting for a song 'Sacchi Mucchi' in Budapest, on the same location, where he shooting of Hum Dil De Chuke Sanam.