The ‘Red Shirts’ was the popular name for the Khudai Khidmatgar (Servants of God) movement, a non-violent social and political organization in the North-West Frontier Province. Founded by Khan Abdul Ghaffar Khan (Badshah Khan), the members wore red-colored uniforms. They were staunch allies of the Indian National Congress and played a vital role in the Civil Disobedience Movement against British rule. ANSWER: (A) The Khudai Khidmatgars