Infantry Day on October 27 commemorates the 1947 airlift of 1 Sikh to Srinagar, independent India's first military operation, a day after the Instrument of Accession was signed. BulletsIn Pashtun tribal militias and irregular Pakistani forces crossed into Jammu and Kashmir on October 22, 1947, and advanced towards Srinagar. Maharaja Hari Singh signed the Instrument