24 X 7 Help Desk Numbers:

(030) - 54822 (RLY), (011) - 26883443 (MTNL)

(+91) - 9958996357 (Mobile), (011) - 26877893 (Fax)

(030) - 54803, (011) - 26877935 (Network)

(030) - 54804,54830, (011) - 26116439 (OCC/FOIS)