The non-postal services are Public Provident Fund (PPF), National Savings Certificate (NSC),
Kisan Vikas Patra (KVP), Savings Bank Account (SBA)and Recurring Deposit Account (RDA)
[1]. Data warehousing and on-line analytical processing (OLAP) technologies are one of the most
important decision support systems in the recent years [2]. OLAP technology is based on a
Multidimensional Data model, called as MD, whose main parts are a dimension and a fact table.