100k+ page views in a month, RPM is only around $0.82. How can I increase the RPM?

Need your expert advise on the ads placement on "TelecomDiary.com".

On a average, page-views on this portal is more than 100,000 in a month with around 800 clicks, but RPM is only $0.82.
What changes can be done to increase revenue from this traffic?

Poster :