As you want here I am giving below HDFC Bank KG MARG branch Phone Number on your demand :

Bank :
HDFC Bank Ltd

State :
Delhi

District :
New Delhi

Branch :
New Delhi Surya Kiran K G Marg

City :
Delhi

IFSC Code :
HDFC0000003

MICR Code :
110240001

Branch Code :
000003 (Last 6 Characters of the IFSC Code)

Address :
G-4, Ground Floorsurya Kiran Bldg19, Kasturba Gandhi Margnew Delhinew Delhi110 001

Phone number :
SUJIT KURUP ANANT SHINDE SANDEEP PUTHRAN 022-30751912 2041 2042

For more branches contact info of HDFC Bank Ltd you need to follow given below process

Go to the HDFC Bank Ltd official website

Click on all branches option which given under find your nearest section given on the top

By click there you will land on its branch locator page which look as like this image