Reigning youth Asian champions Ravina, Vishwanath Suresh and Vanshaj secured medals along with four other Indians by entering the semi-finals of the Youth men’s and women’s World Boxing Championships in La Nucia, Spain.

Bhawna Sharma (48kg), Kunjarani Devi Thongam (60kg), Lashu Yadav (70kg) and Ashish (54kg) are the country’s other boxers who are also assured of at least bronze medals after securing last four berths.