The work of collecting and entering specific data in a database and maintaining accurate records of valuable information and provide the best in class data management service. Data entry can be maintained using word processing, database software, spreedsheet. Data is maintained using excel spreadsheet for easy verification in most of the companies. Data can maintained using keyboard which is the oldest method. Optical character recognition device can speed up input of data upto 60-90 percent and reduces the flaws. Barcode, mark-sense forms, MICR (magnetic ink character recognition) are the methods of data entry.