These are the best colleges for BSc mathematics under PMSSS along with the institute id mentioned in the attached pictures.
21026 ATMA RAM SANATAN DHARMA COLLEGE
21028 BHARATl COLLEGE
21037 GARGI COLLEGE
21038 HANSRAJ COLLEGE
21039 HINDU COLLEGE
21044 JESUS & MARY COLLEGE
21050 LADY SHRIRAM COLLEGE FOR WOMEN
21051 LAKSHMI BAICOLLEGE
21055 MIRANDA HOUSE
21059 PGDAV COLLEGE
21060 RAJDHANICOLLEGE
21068 SATYAWATICOLLEGE
21073 SHIVAJICOLLEGE
21086 VIVEKANAND COLLEGE
21087 ZAKIR HUSAIN COLLEGE
Hope this helped
