It Aint Half Hot Mum (1974)

It's decided that all of the Punkah Wallahs in the camp should be replaced with electric fans. When the Punkah Wallahs hear about this, they all go on strike. The local electricity workers walk out in sympathy, so the camp is suddenly without power. Then the workers at the telephone exchange go on strike. Gunner Solomons comes up with a plan to settle the dispute and reinstate the Punkah Wallahs