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In the acclaimed comedy film "Chachi 420" (1997), Amrish Puri portrayed the character of Banwari Lal, a wealthy industrialist who finds himself in a unique predicament when his younger brother, disguised as a nanny, unexpectedly becomes the nanny for his children. Puri's performance in this light-hearted role showcases his versatility as an actor and his ability to deliver humorous moments with impeccable timing.