During his last years, Rafi was involved in a controversy over Lata Mangeshkar’s entry in the Guinness Book of World Records.
In a letter to the Guinness Book of World Records, Rafi had challenged the claim that Lata Mangeshkar has recorded the maximum number of songs.
After receiving a reply from Guinness, he wrote, “I am disappointed that my request for a reassessment vis-a-vis Ms Mangeshkar’s reported world record has gone unheeded.
In an interview to BBC long back, Rafi claimed to have sung 25,000 to 26,000 songs till then.
After Rafi’s death, in its 1984 edition, the Guinness Book of World Records gave Lata Mangeshkar’s name for the “Most Recordings”.
The Guinness Book entries for Rafi and Lata were removed in 1991. But In 2011, Lata’s sister Asha Bhosle was given the title.