Why i dont get rank in serp(google)?

i am working on a project which is www.avemflytechnology.com since 8 months. but i dont get ranking in serp.
my main keywords are:-
website designing company in delhi
digital marketing company in delhi
seo company in delhi
please help me… check my mistake please…

We don’t review any site, because it consumes our time. Secondly there can be multiple possibilities that you website is still not on good rank or not getting good traffic.
Write quality content…
Beware from spamming…
Built relationship from external sites in the shape of contributing on their blog or site…
Increase your presence on discussion boards…
Don’t overlook social media power…
Thanks!