Florence Convent apil Vihar,Gate-2, Pitam Pura, Delhi, 110034 - 011 55197711 The Foundation School itampura,Behind Jp Block Market,Near Gopal Mandi, Pitampura, New Delhi, 110034 - 011 55353210 Ngpa College -7/188,Sector-7, Rohini, New Delhi, 110085 - 011 27043600 Florence Polytechnik u North Campus,90,Mall Road,Metro Road, Kingsway Camp, Delhi, 110009 - 011 55378612 Spectrum Institute ranch-6c, Shalimar Bagh, New Delhi, 110088 - 011 55343150 Disha Classes 3,Phase-I,Central Market,Ashok Vihar, Central Market, Delhi, 110052 - 011 27221300 Swayambhuvah Learning Centre 8,Chitra Vihar, Vikas Road, New Delhi, 110092 - 011 22541930 Florence Polytechnik ector-I,Gautam Nagar,Opposite B-50, Gautam Nagar, New Delhi, 110049 - 011 55959997 Performers Collective -5 GK 2, Masjid Moth, Delhi, Delhi 110048 - 011 41435428 Schoolofsymphony.com Some of them are music schools but they will guide you for your vocals. Please verify their credentials by talking to ex students