Directories:

ThomsonLocal - Yellow Pages 

Travel  Help:

Tube & Bus , Journey Planner - Airports - Oyster Card  

Eurostar , National Rail , National Express ,

India Visa - High Commission of India, London - Shree Travel - Tanuja Travel - Mazzatours 

Government  &  Consumer Help:

Brent Council - Harrow Council -  adviceguide - Parking Ticket Law - UK Public Services on one site 

Consumer Direct  - MoneyClaim  - Office Of Public Sector - BBC Consumer 

Indian Passport Renewal in UK  -  High Commission of India in UK  

Maps:

Wikimapia - Google Maps - Microsoft Maps - flashearth - Multimap - Streetmap - Viamichelin  Nationalgeographic - Wikimap - Map24 , mappoint.msn - Mapquest 

Events & Exhibitions:

Exhibitions all over UK - Earls Court & Olympia - excel-london - Wembley Arena - professionalbeauty