MTNL Important Contact details i.e e-mail address or mobile no.

[socrates]

Please DO NOT display your tel no. like this in public

 

[x720]

Especially if its mtnl.

 

[amish]

MTNL introduces common complaint number - 1130!! (Landline, Broadband and Mobile)

Source:
http://mtnlmumbai.in/index.php/customer-care/book-complaint

PS: Not tried yet