The work reveal the Satisfaction of the Customers towards Union Bank of India services, mobile banking service, internet banking, ATM service .the aspirations of this paper is to scrutinize how all account holders are amused according to the Union bank of India, The research has been conducted with the customers of U BI, Chidambaram town, Cuddalore District. According to my research, now the customers are connected to the Internet via personal computers, banks envision similar advantages by adopting those same internal electronic processes to home use and banks view online banking as a powerful. The usage of Banking services to the Customers in Union Bank of India, through the results from questionnaires distributed to the customers, it seems that more persons are aware to use Banking services whether the remaining (less one) are not affectionate towards of it, due to various hiding factors like security and fear of hidden costs etc. So banks should come forward with measures to abate the fear of their customers through awareness campaigns and more meaningful advertisements to make banking services popular among all the group of people and to create a trust in mind of customers towards security of their accounts and to make the sites more users adjustable.

Keywords : Bank services, Customer, Perception, Satisfaction, Awareness, Adjustable.