Ashwin`s spells of six for 31 and six for 54 led his side to an innings and 115 runs victory, and also fetched him the player of the match award.
Ashwin backed up his bowling performance with a handy knock of 37 in India`s total of 438 and the combined good show with the bat and the ball has given him a career-high 12th position (up by 14 places) in the rankings for all-rounders.
Ashwin`s team-mate, left-arm spinner Pragyan Ojha, who ended with a match haul of six for 92, has also jumped six places to 15th spot, which is also his career best ranking.
Ojha`s overall rating of 624 is also his best-ever rating. Zaheer Khan, who remained wicketless in the match, has dropped two places to 14th while his pace partner Umesh Yadav has moved up two places to 47th.
For New Zealand, off-spinner Jeetan Patel, who finished with figures of four for 100, has jumped seven places to 52nd.
The rankings for Test bowlers is still headed by South Africa`s Dale Steyn, with teammate Vernon Philander and Saeed Ajmal of Pakistan in second and third positions, respectively.
Meanwhile, the only centurion in the Hyderabad Test, Cheteshwar Pujara, has re-entered the player rankings for Test batsmen in 58th position.
The other Indian batsmen to make upward movements are MS Dhoni in 40th (up by three) and Virat Kohli, who is in now in 49th spot (up by two).
Kane Williamson, New Zealand`s top-scorer in the Test, is now in 39th position (up by eight) while Brendon McCullum has moved up a place to 25th spot.
Sachin Tendulkar has dropped out of the top 10 and is now in 11th place while Suresh Raina has slipped seven places to 80th.
Sri Lanka`s Kumar Sangakarra remains the top-ranked batsman, followed by South Africa`s Hashim Amla and West Indies veteran Shivnarine Chanderpaul in second and third positions, respectively.