Nikhat Zareen and Meena Kumari Devi became the first set of Indian women boxers to win gold medals at the Strandja Memorial.
Manny Pacquiao almost knocked Adrien Broner down twice in the 7th and 9th rounds and showed that he can still be a force despite turning 40 last month.
Hosts Maharashtra were close behind, winning five gold while Manipur girls won two gold medals.
Mary Kom is the only woman to clinch six world championship titles.
Mitika Gunele got the better of Haryana's Anu Rani 4-1 in welter (66kg) category.
Mary Kom achieved the feat two months after becoming the first female boxer to win six world championships.
Amit Panghal (49kg) also won a silver at the Commonwealth Games.
Patricio Manuel fought in the 2012 US Olympic trials as a female, but a shoulder injury spelled the end of a bid to make the team for the London Games after just one bout.
Vijender Singh is now shifting his focus towards the US professional circuit.
With a gold, a silver and two bronze medals, the Indian contingent recorded one of its best performances at the Women's World Championships.
Mary Kom matched Cuba's Felix Savon as the joint most successful boxer -- men and women -- in the World Championships history.
Mary Kom eclipsed her joint haul of five golds with Katie Taylor of Ireland.
With this gold, Mary Kom also matched Cuba's Felix Savon as the joint most successful boxer - men and women - in the World Championships history.
AIBA World Boxing Championships 2018 Highlights: Mary Kom clinched a record sixth gold medal, while Sonia settled for a silver medal.
Sonia beat Jo Son Hwa of North Korea to enter the final of the featherweight 57kg class.
Mary Kom entered the final of the AIBA Women's World Championships while Lovlina Borgohain took home the bronze.
Mary Kom is aiming for her record sixth gold medal at the AIBA Women's World Championships.
Loss of accreditation will deny Stanimira Petrova access to the competition area.