Spinner Manoj Tiwary claimed four wickets while Virat Kohli slammed an unbeaten 128 to help India take an unassailable 3-1 lead in the series.
"The part-timers bowled really well, the pace was important and they bowled to their field. This is the reason why fast bowlers bowled just 18 overs," Dhoni said after their comfortable six-wicket win.
"What matters is the variations we got now. Manoj is the away going spinner for us, we have some off-spinners and also Virat can bowl his medium pacers with the keeper up. That is the sort of quality we have.
"They bowled the right length to create trouble for batsmen. So have plenty of options now. Even when Manoj is not there, we have Viru and Suresh Raina who can bowl. So if we don't get a perfect allrounder, we are comfortable playing seven batsmen," he added.
Dhoni also heaped praise on Kohli, who completed his 13th ODI hundred today, and also singled out Raina for special mention.
"Kohli has improved a lot, once he gets set, he's someone who doesn't like to throw away his wicket, he's a very improved cricketer, very hungry to get runs," he said.
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"Raina also, he bats at No. 6 or 7, the time has come for him to bat at 4 or 5. The problem is, you have to see what's best for the side, the kind of finisher he is at 6 or 7.
"Last one or two years we haven't found anyone who can fit in his shoes. But it is high time he gets a chance to score big runs," he added. More