Australia then made a brief tour of the subcontinent during their return voyage, playing three Tests against India and one against Pakistan. These were played consecutively, with no other tour matches. Simpson continued his consistent performances, scoring 292 runs at 48.67 with three half-centuries in a 1–1 drawn series against India. His best performance was at the drawn Third Test at Eden Gardens in Calcutta where he scored 67 and 71 and took 4/45. India levelled the series with a narrow two-wicket win in the Second Test after Australia won the First by 139 runs. On the spinning tracks of India, Simpson bowled himself more often, ending with six wickets at 25.17, including a 4/45 in the first innings of the Third Test, as well as taking eight catches. At Karachi, Simpson struck 153 and 115 against Pakistan in a drawn Test to become the third captain to hit two centuries in the same Test. He ended the calendar year of 1964 with 1,381 Test runs, setting a world record aggregate.