You're probably thinking of the iconic duo of Om Puri and Satish Shah in the Hindi film "Jaane Bhi Do Yaaro" (1983).
While they weren't in many films together, their comedic timing and chemistry in "Jaane Bhi Do Yaaro" was absolutely legendary, and they were a delight to watch on screen.
Let me know if you'd like more details about their characters or the movie.