Various causes were responsible for the Revolt of 1857. Political, social, economic, military and other factors contributed to the making of the Revolt of 1857. When the atmosphere was surcharged with an anti-British feeling the episode of the greased cartridges provided the spark which turned it into a conflagration.
The new ‘Enfield Rifle’ introduced by the British in the army needed a special type of cartridge which had a greased paper cover. This paper had to be bitten off before the cartridge was loaded into the rifle -The grease used in the paper was made of beef and pig fat.
This enraged both the Hindu and the Muslim sepoys both the religious communities felt that their religions were at stake. This worked as a spark in the magazine room and the Mutiny began.