R Vinay Kumar and Mohammed Shami, who came into the side after frontline pacers were rested, were prerry ordinary in the first two matches of the series.
Shami was economical today and also scalped two rival batsmen while Vinay Kumar took one wicket.
"Zimbabwe still have some inexperience in the (batting) line-up. Their bowlers have bowled in good areas. They know how to bowl on these wickets. They are using the two new balls well. Our fast bowlers can learn from them," Kohli said after India strolled to a seven-wicket win, which sealed the series.
The young skipper said he likes to take responsibility.
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"I am one of the few experienced guys in this side and I am trying to take responsibility," Kohli said at the post match presentation.
Leg-spinner Amit Mishra was adjudged man-of-the-match for his impressive figures of four for 47 as he was instrumental in bundling out the hosts for 183.
Mishra, who is making a comeback into the Indian side, said he has worked hard on his googly with bowling coach Joe Dawes.