Man Ko Bandh (1973)
Government of Nepal established the Royal Nepal Film Corporation in 2028 B.S. RNFC’s first movie, Man Ko Bandh, was directed by Prakesh Thapa. Nati Kaji and Shiva Shanker were the music directors. Amber Gurung scored background music. Salyan K.C and Sushma Shahi were the lead actors in the film. The film was premiered in 2030 B.S. (1973 AD) in Kathmandu.
One sweet song I could find in YouTube sung by Tara Devi (only audio).