Essay for a MBA admission

I am Suresh Ghimire from the country Nepal. I have completed BBA and worked for a period of six months in marketing department of one of the clearing member of commodity future market, designated as a relationship manager. Currently, I am working for a development bank as a trainee assistant. I have made up my mind to continue with my studies and join a MBA program of Kathmandu University. I would like to inform you that there is no need of work experience in Nepal for doing a MBA. To fill up the form, I need to write a letter specifying why I want to earn a MBA degree at this time and why I am suitable for taking an admission. Hope you will reply me with one sample format suitable for me.