Mary Kom congratulates Nikhat Zareen on her World Championship victory

India's most decorated boxer MC Mary Kom has congratulated Nikhat Zareen after the 25-year-old won the World Women's Boxing Championships in Istanbul on Thursday.

Nikhat Zareen (right) and Mary Kom (left) in action in 2019, when Mary beat Nikhat to represent India in Olympic qualifiers

India's most decorated boxer M. C. Mary Kom has congratulated Nikhat Zareen after the 25-year-old won the World Women's Boxing Championships in Istanbul on Thursday.

Nikhat Zareen beat Thai Olympian Jutamas Jitpong 5-0 in the 52kg category to become the fifth Indian woman to win a World title.

"Congratulations Nikhat for winning Gold medal. So proud of you on your historic performances and all the best for your future endeavors," the eight-time World Championship medallist wrote on Twitter.

Congratulations @nikhat_zareen for winning Gold medal. So proud of you on your historic performances and all the best for your future endeavors. pic.twitter.com/M3RouNCaPs

— M C Mary Kom OLY (@MangteC) May 20, 2022

There is a perception of bad blood between the two boxers, with Nikhat having emerged as a challenger to Mary Kom.