Which Indian spin bowler was known for bowling maiden overs?

RG Nadkarni, popularly known as ‘Bapu’ Nadkarni, had a bowling analysis of 29-26-3-0 on day 3 of the first test between India and England at Madras in January 1964 and bowled 21 maidens in a row. Nadkarni’s final figures were an amazing 32-27-5-0. There are a few websites which claim that he actually bowled 23 successive maidens, however the records state that Nadkarni bowled 131 consecutive dot balls, that is 21 maiden overs in succession.