yes there are some famous acting schools in Delhi as Follows:

National School of Drama
Bahawalpur House , 1 Bhagwandas Road
New Delhi-110 001
Phone: +9111 - 23382821
Email: nsdr@rediffmail.com , info@nsd.gov.in

 K. R. MANGALAM WORLD SCHOOL, GK-II & VIKAS PURI

The Principal, K. R. Mangalam World School, S-Block, G.K.-II (Near Sanatam Dharam Mandir), New Delhi 110048. Tel.: 011 - 29210341 / 42

E-mail at krmangalamgk2@vsnl.net

National School of Drama, Bahawalpur House, Bhagwandas Road, New Delhi - 110001

Imago Acting School, Sudhan Bhavan First Floor, 37 Saidulajab Village, Opp CISF Camp, Saket, Mehrauli-Badarpur Road, New Delhi - 110030