Five times World Champion M C Mary Kom of Manipur will take on P Nirosha of Andhra Pradesh in 51 kilogram flyweight category quarter final bout of the 12th Senior Women Boxing Championships today.In another bout of the same category, L Sarita Devi of All India Police will meet Vanlal Duati of Mizoram.Twenty quarter final bouts will be played in Bhopal today. Bouts will be held in 51, 57, 64, 75, 81 kilogram categories.World Youth Champion Sarjubala Devi, Kamla Bisht, Janhvi Gogoi, Maya Poudel, Krishna Thapa and 16 other women boxers have already booked their place in the semi final round of different categories.Semi final bouts will be played tomorrow.