Respected Sir/ Madam,
My name is ___________ (name) and I write this email with the utmost respect to inform you that I am working in your company as a ___________ (mention designation) for the last __________ (mention duration).
This is to most humbly inform you that I joined as __________ (mention designation) and since then I have been working very hard to give my best to this company. I write this email in order to state that it has been ________ (mention years) and I am now working as _______ (mention designation) as I have cleared the IJP. It is to request you to kindly consider the increment in my salary, as the salary offered is not competitive with other offers I have been receiving.
I expect your response and believe that you will help by providing an increment based on my seniority.
____________ (Contact details)