Today, military historians as well as those dealing with colonial South Asian history tend to overlook the fact that during the First World War, the Indian Army was Britain’s strategic reserve. It vitally despatched over 150,000 troops to the Western Front to shore-up the British sector in the critical period of 1914-1915. To the Indian sepoys who crossed the kala pani to fight, die or be wounded in the trenches there, it was a jarring initiation into modern industrialised warfare.