Correct Answer: (a) Anil Kumble
Solution:As of December 2020, Indian spin bowler Anil Kumble is India's highest wicket-taker in Test cricket. Anil Kumble has taken 619 wickets in 132 test matches. In terms of taking wickets, spin bowler R. Ashwin is second (as of March 2022), having taken 442 wickets in 86 Test matches.