South Africa added salt to India's wounds by registering a five-wicket win over the hosts in the low-scoring fifth and final women's ODI to seal the series 4-1 here on Wednesday.
Mithali Raj played a captain's knock by hitting a well-crafted 79 not out but it was only enough to take India to 188 all out.
South Africa then rode on Anneke Bosch (58) and Mignon du Preez's (57) half-centuries to chase down the target in 48.2 overs.
The series marked India's return to international cricket after 12 months. They were naturally rusty to start with and by the end of the series, it seemed that they have a lot of work to do if they want to be title contenders for the World Cup early next year.
The batting needs more firepower and bowling concerns too need to be addressed as spinners, traditionally India's strength, struggled against South Africa.
South Africa's chase got off to a disastrous start as the visitors lost their top three batters including skipper Sune Luus (10) for just 27 runs.
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Du Preez (57) and Bosch (58) the stabilised South Africa's run chase with a 96-run partnership for the fourth wicket before Indian bowlers pulled things back, dismissing both the set batters in quick succession.
At that stage South Africa were 131 for five, still needing 58 runs in 13 overs for a win.
While Bosch's knock was laced with eight fours and came off 70 balls, du Preez was a tad slower as she took 10 balls for her innings and struck just four boundaries in the process.
Marizanne Kapp (36 not out) and Nadine de Klerk (19 not out), however, ensured there was no further hiccups as the duo shared unbeaten 58 runs for the sixth wicket to guide South Africa home.
For India, left-arm spinner Rajeshwari Gayakwad picked up three wickets conceding just 13 runs off her 10 overs.
Earlier, Mithali steered India's innings after India lost three early wickets with the scoreboard reading 53 in the 13th over.
Together with Harmanpreet Kaur (30), who retired hurt due to an injury, Mithali shared 71 runs for the fourth wicket before the former left the ground in the 31st over.
India lost opener Priya Punia (18) early before India's star batswoman of the series Punam Raut (10) and Smriti Mandhana (18) departed in successive overs.
Dayalan Hemalatha (2) and Sushma Verma (0) failed to provide the much-needed support to Mithali as the veteran Indian batter brought up her second fifty of the series and 55th overall in 78 balls in the 38th over.
Jhulan Goswami (5) and Monica Patel (9) too didn't trouble the scorers much as Mithali kept India's innings going single-handedly.
Debutant Challuru Prathyusha (2) also failed to make a mark as India slumped to 176 for eight by the end of the 47th over.
Mithali was left stranded at one hand as India kept on losing wickets at regular intervals and were bowled out in 49.3 overs.
Medium pacer de Klerk was the pick of the bowlers for South Africa with figures of three for 35.