Request letter for increment in payment

Dear Sir,

I have been employed with this company since last December 2009, as an software programmer, during which period I have discharged my duties to the best of my abilities. I have been sincerely dedicated and continuing hard-work for our company. According to my commitment to job and obeyness the management as well as experience.

So, may I now request you to consider my an increment. As you are aware of my family circumstances, I hope you will take a favorable view and I feel confident that the management will be generous in recognizing and rewarding my merit.

I'm looking forward to a favorable response from you.

Thanks and best regards.
Yours Sincerely