MC Marry Kom, Lovlina Borgohain, Sonia Chahal and Simranjit Kaur enter the semifinals and assure India of four medals on day 6 of the Women's World Championships in New Delhi on Tuesday.
In the quarterfinals, Mary Kom defeated China's Wu Yu 5-0 and Lovlina beat Kaye Scott of Australia 5-0.
Sonia defeated Colombia's Yeni Castenada 4-1 and Simranjit won against Ireland's Amy Sara Broadhurst 3-1.
The semi-finals will be played on Thursday and Friday.
Manisha Maun, Seema Punia, Pinki Rani and Bhagyabati Kachari lost their bouts.