Operation Polo was a remarkable feat of military strategy and execution, achieving its objective with minimal casualties and bloodshed. Operation Polo , the military action launched by the Indian Army on September 13, 1948, to integrate the princely state of Hyderabad. How was it conducted on the ground? Fearing the establishment of a Communist state in Hyderabad and the rise of militant Razakars, India carried out Operation Polo in September 1948 following a crippling economic blockade About Operation Polo , India's military operation to annex Hyderabad, marking the end of Nizam's rule and the integration of the state into India in 1948.