Complex sentence: Both 1824 and 1857 mutinies had similar build up and had reasons like insensitivity of the British officers towards Indian cultural sensibilities and both were culminated in heavy handed British repression creating mass dissentment among the Indian sepoys.
Split into simpler sentences: Both 1824 and 1857 mutinies had similar build up and had similar reasons like insensitivity of the British officers towards Indian cultural sensibilities. Both were culminated in heavy handed British repression creating mass dissentment among the Indian sepoys.