British and Indian Army forces that took part in the The Afridi Redshirt Rebellion campaign received the India General Service Medal with the clasp North West Frontier 1930-31. The Afridi Redshirt Rebellion was a military campaign conducted by British and Indian armies against Afridi tribesmen in the North West Frontier region of the Indian Empire, now in Pakistan in 1930–1931.The Afridi are a Karlani Pashtun tribe who inhabit the border area of Pakistan, notably in the Spin Ghar mountain range to the west of Peshawar and the Maidan Valley in Tirah. The Afridis often clashed with the British and Indian Armies during India’s expansion towards the Afghan border, notably during the Anglo-Afghan Wars. In the summer of 1930 a rebellion by dissident Afridi tribesmen, known as Redshirts, broke out. As this threatened the security of Peshawar.