What is the importance of link building?

[anitarajput]

Friends,

Suggest me some good sites where I can get good backlinks. I had heard about good backlinks but not sure that for our website, from where I can arrange good backlinks. our website contains information on several topics hence we named it http://multitalks.in
this is going to cover bollywood, astrology, health, career tips, social talks and money making fundas.
I hope here within the smart guys I will be able to get some great help.

please answer as soon as possible.