"Today's the 31st death anniversary of Rafi sahab. He was an honest and a lovely human being. My family and Rafi sahab shared a great relationship together. It's my honour that I got an opportunity to sing maximum number of songs with him, " Lata posted on her Twitter page.
"We have worked in almost 315 films and have sung 414 duets together. We can never have such a great singer again, " she added.
They have given evergreen hit songs like "Bekhudi mein sanam", "Haye re haye", "Chhup gaye saare nazare" among others.
Rafi lent his voice for almost all the leading actors such as Dilip Kumar, Dev Anand, Rajendra Kumar, Manoj Kumar, Shammi Kapoor and Rajesh Khanna.
The singer died of a heart attack in Mumbai July 31, 1981, at the age of 56.