Smriti Mandhana and Jemimah Rodrigues grew in the rankings after stellar performances in the T20I series in New Zealand.
Indian women were chasing 162 runs for a win in the third T20 International.
Indian women's team will play a three-match ODI series at home against England, starting February 22.
Smriti Mandhana scored a 24-ball half-century, fastest by an Indian woman, in the first T20I against New Zealand women.
Smriti Mandhana smashed a 58-run knock off 34 balls but the Indian women's cricket team failed to make it count as they were dismissed for 136.
After opting to bowl, India women restricted New Zealand to 159 for four in their allotted 20 overs.
Smriti Mandhana moved up three spots in the batters ODI rankings to reach the top spot.
The White Ferns chased down the target in 29.2 overs to register a morale-boosting win.
India Women beat New Zealand by eight wickets in the second ODI to seal the three-match series 2-0.
Indian women's team thrashed New Zealand by nine wickets in the first ODI to take a 1-0 lead in the three-match series.
Smriti Mandhana scored a fine century as India women registered a nine-wicket win.
Smriti Mandhana averaged over 66 in One-day Internationals in 2018.
Harmanpreet Kaur and Smriti Mandhana have been at the forefront of the Indian womens limited-overs teams.
Smriti Mandhana's knock had helped Hobart Hurricanes set a 136-run target for Sydney Thunder Women.
Harmanpreet Kaur did not celebrate after taking the catch of her Indian team compatriot Smriti Mandhana.
Harmanpreet Kaur smashed a 26-ball 56, a knock that comprised six boundaries and three sixes.
Harmanpreet Kaur reportedly wrote to the BCCI soon after the cricket board invited applications for the position of head coach of the Indian women's cricket team.
Harmanpreet Kaur extended her contract with Sydney Thunder while Smriti Mandhana has been signed by Hobart Hurricanes.