Police 100
Fire 101
Ambulance 102
M/s Govt.of NCT of Delhi    (Deptt. of IT) 1031
Centralised Accident & Trauma  Services(CATS) 1099
M/s Govt.of NCT of Delhi for Chief Minister (Women Helpline ) 181
Eye Donation 1919
Child Helpline 1098
Women in Distress (Delhi Police) 1091
ORBO C.N.Centre,AIIMS ( for donation of organs) 1060
Ambulance Service of M/s Apollo Hospital 1066
Control Room of Central Relief Commissioner(in the event of Natural Disaster) 1070
Students' Helpline of Delhi Police 1291
Helpline for women of   M/s All India Women's Conference 10920
Time 174
Hindi Vishesh 177
VIP Complaints 178
Central Control Room of MCD 1266
Helpline of M/s Escorts Heart  Institute 105010
Air India Express Service 1412
Police Helpline 1944
Automatic Change Number  Announcement (In Hindi) 1951
Automatic Change Number  Announcement (In English) 1952
Election Commission of India 1950
Advice/Information on HIV/AIDS 1097
NIB Helpdesk for Internet Services 1957
Bharat Gas Helpline Service 1712
Disability Helpline of M/o Social Justice and Empowerment 155206
IVRS/Information Centre of LIC 1251
Prasar Bharti-News on Phone in Hindi 1258
Prasar Bharti-News on Phone in English 1259
Retrieval of voice SMS messages from any other telephone by PSTN subscribers 1253
Trunk Booking 1580
Trunk Enquiry 1581
Trunk Information  1583
Phonogram Booking (In Hindi) 1584
Phonogram Booking (In English) 1585
Intl.Trunk Booking 1586
Intl.Trunk Enquiry 1587
Helpline for Dolphin & Trump Mobile 1503/22221503
MTNL Internet Helpdesk/Customer Care 1504/22221504
Helpline for Leased Line 1505
Helpdesk of MLDN 1506
Helpline for  FTTH  1507
Helpline for VIP & Corporate Customers of GSM 1508
BB Queries of MTNL Delhi 1509
MTNL Internal Broadband Helpdesk 1514
Helpdesk for tele-verification and activation complaints of new SIMs 1517
Customer Care number for Corporate Customers for grievances related to Wireless Service 1518
Delhi Legal Service Authority  12525
M/s East Delhi Municipal Corporation  155303
Citizen Relationship and Grievance Management System(CRGMS) of Delhi Govt. 155355
Helpline of NDMC Control Room 1267
National Do Not Call(NDNC) Registry 1909
Centralised booking of PCOs faults 179
Integrated Disease Surveillance Project(IDSP) Call Centre 1075
Delhi Police Helpline 1090
Dy.CSTE/CR-Northern Railway 132
M/s Alliance Infotech Pvt. Ltd. 125050
M/s Aksh Optifibre Ltd. 12699
Traffic Police Helpline 1095
Dy.Commissioner of Police (Missing Children and Women) 1094
Anti Teasing Cell                                 (Crime Branch Delhi) 1096
Anti Ragging Helpline 155222
Indian Oil Corporation Ltd. 155233
Delhi Metro Rail Corporation Ltd. 155370
Disaster Management of Govt. of NCT of Delhi 1077
M/s Postal Life Insurance Directorate 155232
Institute of Liver and Biliary Sciences 155353
Central Vigilance Commission  1964
IRDA 155255
CGHS Helpline,   Directorate General of Health Services 155224
Military Police Control Room 155200
C-DOT Server in HND1 125056
Labour Department, Govt. of NCT of Delhi 12789
Delhi University Helpline 155215
M/s Aaykar Sampark Kendra of Income Tax Department 1961
M/s Unique Identification Authority of India, Planning Commission 1947
Supervisor(help Desk) Phonogram Services : 23324010,23327393 and 23329968  
Directory Enquiry 197
Changed Number Announcement  .1951/1952
Centralised Complaints Service for Water Supply & Sewerage disposal 1916
Computerised Central Customer Care Centre Service for Postal Deptt. 1914
Complaints regarding grey market in Telecom field 1963
Dial-A-Cab 1920
Booking of Faulty Leased Circuits 1918
VCC 160211
Dial Before You Dig 1949
IVRS Billing Enquiry System/Payment Reminder System for fixed lines  1666
Access to INET Node for INET          customers 171000
Shared Service Intercommunication 161
Line Test Robot 162
Faultman's line 163
Complaints from Local Subs. 198
Central Enquiry 139
Reservation 139
Railway Reservation Enquiry 139
Centralised Railway Enquiry 139
Morning Alarm 116
Tourist Enquiry  
ITDC 23348745, 23348746
Tourist Information Service 1280
Delhi Tourism (1280) 23363607, 23365358
National call centre of Thomas Cook (Ind.)India ltd (Toll Free) 18002099100
Toll Free (AIR INDIA) 18001801407
Airport  (Air India)  
Domestic (Terminal-I) 25675121
SBI Cards ( C/o SBI Cards and Payment Service Pvt Ltd.) 0124-2345454
Exchange 25675102, 25675121
American Express (Credit Cards) 0124-2801800
Citibank 1800112484
SBI Cards 0124-2345454
Indian Red Cross Society II,  23711551
Public Grievance cell   Call 011-23356666 or Fax 011-23357777