Which one of the following was NOT a cause of the Revolt of 1857 ?The lumour that the British had mixed the bone dust of cows and pigs into the flour being sold in the marketThe prophecy tliat British mle would come to an end on the centenary of the Battle of Plassey on 23rd June, 1857Popular discontent with British ruleThe prophecy that the end of British mle would lead to the end of the Kali Yuga and the return of Ram Rajya