 The duets he sang with Lata Mangeshkar and Asha Bhosle became famous in this period.Amit Kumar's duet "Ka Janu Main Sajaniya" with Lata Mangeshkar and "Ram Kare Allah Kare" and "Humto Aap Ke Deewane Hai" with Rafi became famous.Then Amit sang all the songs for the 1981 film "Love Story" and won a Filmfare Award for the duet "Yaad Aa Rahi Hai" with Mangeshkar.