A veteran footballer of the Malabar region, Hamsakoya had played for the Maharashtra State in the Santosh Trophy in the 1980s. A wing back during his playing days, he was called up for the national team camp twice but never played for India.
He played his club football for Mumbai-based Western Railway and went on to play for other Mumbai clubs like Union Bank of India, RCF, Tata Sports and Orkay Mills.