Currently, India are in the fourth position in the WTC 2021-23 points table.
Pujara smashed 4, 2, 4, 2, 6 and 4 in an over en route to his century.
Mirabai Chanu was the star of the day as she clinched first gold medal for India in the women's 49kg weightlifting.
Pujara, who was given the responsibility to lead Sussex in the absence of their regular skipper Tom Haines, led from the front and stayed at the crease till the very end.
The Rajkot-born will play his first game as captain against Middlesex at Lord’s.
The batter who is famous for holding his ground and staying at the crease for long, tried a role-reversal in his team’s game against Leicestershire.
Leicestershire has scored 101 at the loss of four wickets, while Rishabh Pant and Rishi Patel try to steady their innings.
The group is looking all relaxed with the players having a laugh together.
Cheteshwar Pujara who faced a Test snub after a run of poor performances has made a comeback to the side.
Pujara and Rizwan notched up a 154-run partnership in the County Championship game against Durham.
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