Everyone wants to reach at a higher position in the organisation. The basic and most imporatant is to understand the business in which you are and also to understand the needs and requirement of the customers. Understanding their competitors helps in knowing the weaknesses if there is any. Acquiring new prospects is required but the utmost important and challenging is to retain the customers. There is 80-20 rule in marketing which means 80 of the business comes from 20 of the customers. So, retaintion of our customers is important.