Original sentence: In India under the Raj, soldiers who committed crimes were executed by being strapped to a cannon which was then fired.This method, invented by the Mughal emperors, was continued by the British who used it to execute native deserters and mutineers, especially after the 1857 mutiny
Edited sentence: In India, during the Mughal rule, soldiers who committed crimes were executed by being strapped to a cannon which was then fired.This method, invented by the Mughals, was continued by the British who used it to execute native deserters and mutineers, especially after the Sepoy Mutiny of 1857