Chhoti Si Baat (1975)

A clerk too shy to speak to the woman he sees every day takes lessons in confidence from a retired colonel who runs a correspondence course in it. Amol Palekar, Vidya Sinha and Ashok Kumar lead. One of the best loved of the middle-cinema comedies, made small and precise. The Internet Archive copy was uploaded with its format details disguised, so playback is withheld here; the entry stays listed and the Archive's own page remains reachable.