Let's have a look at the list of bowlers who have the highest dot-ball rates in the history of T20 World Cups.
West Indies' star bowler Kemar Roach has the maximum dot-ball rate of 60% in 12 overs that he has bowled in T20 World Cups in which he remained wicket-less.
Ireland's bowler Joshua Little also has a dot-ball rate of 60% in 12 overs that he has bowled in T20 World Cups in which he has picked 5 wickets.
Oman's bowler Bilal Khan also has a dot-ball rate of 60% in 19 overs that he has bowled in T20 World Cups in which he has snared five wickets.
Former Sri Lanka's bowler Dilhara Fernando has a dot-ball rate of 59% in 17 overs that he has bowled in T20 World Cups in which he remained wicketless.
Former Australia star bowler Shaun Tait has a dot-ball rate of 58% in the 23.4 overs that he has bowled in T20 World Cups in which he remained wicket-less.
India's star pacer Bhuvneshwar Kumar has an impressive dot-ball rate of 58% in 22 overs that he has bowled in T20 World Cup in which he also took four wickets.
Nepali bowler Basant Regmi has a dot-ball rate of 57% in 10 overs that he has bowled in T20 World Cups in which he took five wickets.
South Africa's star bowler Anrich Nortje has a dot-ball rate of 56% in 19.2 overs that he has bowled in T20 World Cups in which he picked nine wickets.
Bangladesh's star bowler Taskin Ahmed has a dot-ball rate of 55% in 35.5 overs that he has bowled in T20 World Cups in which he took 10 wickets.
Former India's star bowler RP Singh has a dot-ball rate of 55% in 29 overs that he has bowled in T20 World Cups in which he remained wicket-less.