Complex sentence: The Indian Air Force was established in British India as an auxiliary air force of the Royal Air Force with the enactment of the Indian Air Force Act 1932 on 8 October that year and adopted the Royal Air Force uniforms, badges, brevets and insignia.
Split into simpler sentences: The Indian Air Force was established on 8 October 1932 in British India as an auxiliary air force of the Royal Air Force. The enactment of the Indian Air Force Act 1932 stipulated out their auxiliary status and enforced the adoption of the Royal Air Force uniforms, badges, brevets and insignia.