Do Ansoo, Urdu Two Tears made in 1949 and released in Pakistan onApril 1950, was the first film to attain a silver jubilee status in Pakistan. Do Ansoo attained a 25week viewing after being released onApril 1950, rendering it the first ever film to celebrate a silver jubilee in the new Pakistani film industry. Starring Santosh Kumar, Ajmal, Sabiha Khanum and Allauddin. It marked a directorial success for Anwar Kamal Pasha. The music was composed by Mubarak Ali, became an instant hit and Sheikh Lateefs Naubahar Films, as a result, got some recognition due to the films success.
Source: Wikipedia