Nadkarni's record of 21 straight maidens unbroken for 53 yrs
Former Indian spinner Bapu Nadkarni recorded the most consecutive maiden overs in six-ball-over Tests, bowling 131 balls (21.5 overs) without conceding a run against England in Chennai on January 12, 1964, a record which still stands. He finished with the figures 32-27-5-0, with the all-time best economy of 0.15. Nadkarni ended his career with a Test economy rate of 1.67.