Rohit smashed 76 from just 83 deliveries, helping India secure a four-wicket victory over New Zealand in the summit clash.
New Zealand captain and leftarm spinner Mitchell Santner was a big improver on the updated list for ODI bowlers.
Santner, who claimed nine wickets including two in the final, climbed six spots to second behind Sri Lankan off spinner Maheesh Theekshana.
Indian duo — Kuldeep Yadav and Ravindra Jadeja — rose three places each to be inside the top-10 following their exploits at the Champions Trophy.
Leftarm wrist spinner Kuldeep (up three spots to third) is a big improver on the back of his seven wickets for the tournament.
Leftarm spinner Jadeja moved up three places to 10th following his five wickets for India during their unbeaten run at the Champions Trophy.
Santner rose one place to fourth overall, Michael Bracewell gained seven spots to move to seventh, while Rachin Ravindra climbed eight rungs to improve to eighth.
