Samuel had taken the early lead but Babita pulled off a two-point move to put her nose ahead. She earned another point with a take down to bolster her lead.
Babita was even more dominant in her next bout, defeating Sri Lanka's Deepika Dilhani by fall early in the first period.
Meanwhile, India's Kiran lost in the semi-finals to crash out of the women's 76kg competition.
Kiran was no match for Blessing Onyebuchi of Nigeria, conceding a 0-10 deficit in the first round itself to lose by technical superiority.
Bouts are awarded on the basis of technical superiority when one wrestler takes a lead of 10 or more points.
She taken a 4-1 lead in the first round before scoring seven consecutive points in the second to wrap up the victory.
Kiran will fight Katouskia Pariadhaven of Mauritius for the bronze medal.
(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)