Indian women boxers continued their winning momentum on Day 8 of the ongoing World Boxing Championships in Russia as they assured the country at least four bronze medals on Thursday.It was six-time world champion MC Mary Kom who assured India its first bronze medal at the event and an 8th worlds medal for herself. Later in the day, debutants Manju Rani and Jamuna Boro also marched into the semifinals. Lovlina Borgohain, who won a bronze medal at last year’s World Championships, also secured herself of another worlds medal.Jamuna Boro defeated Germany’s Ursula Gottlob 4-1 in the 54kg quarterfinals while Manju Rani stunned top seeded Kim Hyang-mi of North Korea in the 48kg category to secure a maiden worlds medal.Today’s bout went according to our plan. The strategy that the coaches had fixed, worked well, so I was able to produce this result. We will again have to strategise for my next bout and hopefully repeat the result, said Manju Rani after the big win.Prior to Rani’s bout, India’s Mary Kom defeated Colombia’s Valencia Victoria in her quarterfinal bout here to secure her maiden world medal in the 51kg category, in which she won an Olympic medal back in 2012.Mary Kom assures herself 8th medal at WorldsAfter assuring herself at least a bonze, Mary Kom also became the first boxer in the history of World Championships to win 8 world meet medals. She was tied on 7 with Cuban men’s legend Felix Savon after winning the gold in the 48kg category in New Delhi last year.advertisement”I am very happy to have secured a medal but I would be looking to make it better by reaching the finals,” the 36-year-old Mary Kom said after the bout.”It was a good bout for me and I will now try to improve on this performance in the semifinals,” she added.Awaiting her in the semifinals on Saturday, after a rest day on Friday, is second-seeded Turk Busenaz Cakiroglu, who is the reigning European Championships and European Games gold-medallist. Cakiroglu defeated China’s Cai Zongju in her quarterfinal bout. For Rani, her next opponent is going to be Thailand’s Chuthamat Raksat, who upstaged fifth seed Yuliyanova Asenova. India Open winner will be put to a stern test in the semis as she faces the top seed and former Asian Games bronze medallist Huang Hsiao-Wen of Chinese Taipei.She took me by surprise with her aggression at first but I knew I could control more with each passing round, said Boro on her opponent.My next bout is against a Chinese Taipei boxer who is taller than me but I have practiced with taller opponents and I am hoping to continue my good performance, she added.Borgohain’s opponent in the semfinals would be China’s Yang Liu, who shocked top seed Chen Nien-Chin in her quarterfinal clash.However, two-time bronze-medallist Kavita Chahal (+81kg) bowed out after a 0-5 loss to Belarus’ Katsiaryna Kavaleva.