en.wikipedia.org › wiki › Allies_of_World_War_IIAllies of World War II - Wikipedia At the outbreak of World War II, the British Indian Army numbered 205,000 men. Later during World War II, the British Indian Army became the largest all-volunteer force in history, rising to over 2.5 million men in size. Indian soldiers earned 30 Victoria Crosses during the Second World War. It suffered 87,000 military casualties (more than any ...