“Main Zindagi Ka Saath Nibhata Chala Gaya” is a song from the film Hum Dono (1961). Mohammed Rafi sang it, Sahir Ludhianvi wrote the lyrics and Jaidev composed the music. The title means “I went on keeping company with life.” The Quint wrote that the song gave Dev Anand “a philosophy to face the vicissitudes of life.”