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Dear Mr [surname],
I have worked for [company name] for the last two years. Six months ago, I transferred to the Bangalore branch CNC service. In Bangalore I have been performing all of my duties, with no services pending and no red alert problems.
I am getting a salary of Rs.8,500/-, but this salary is not sufficient in Bangalore. This letter is my request for a salary increment sufficient to my expenses in Bangalore.
I would be very grateful for your consideration of this possibility.
Sincerely yours,
P.Gangatharan