 Kumar's singing in "Aao Naye Sapne Bune", composed by Basudev for "Main Qatil Hun" (1984) became famous, though the film was unsuccessful.The Asha–Kumar duet "Yun Toh Haseen Hazar" from "Shradhanjali" in 1981 became a hit.He had several "chart-busters" in 1982 and 1983, and "hits" with the duets "Tu Rootha Toh Main Ro Doongi Sanam", "Gali Gali Dhoonda Tujhe" and solo songs "Halla Gulla Maza Hai" and "Mana Abhi Tu Kamsin" from the film "Jawani" (1984).