I am a simple graduate.I am working with Lg gsm as a retail officer.I want to be a specialization in sales.Pls advice me which course is suitable for me and what is the course fee

Go for MBA in Marketing as that will make u ready for a better and brighter and bigger market. Prepare yourself for CAT as most of the good institutes and universities are covered under CAT. the cost of doing MBA comes around 50k to 75k approx for an year.