Electronic resources provide access to information that might be restricted to the user because of geographical location or finances. Electronic resources also provide access to current information as these are often updated frequently. The present study is Utilization of e-Resources at Technical Information Centers (Library) of Defence Research & Development Laboratory (DRDL), Hyderabad. It is intended to assess the type of e-resources used by the scientists and technical staff, purpose of visit to library, amount of time spent in using them, satisfaction with print and e-resources, adequacy of library collection obtained in accessing them. It is observed that ehe majority (88.78%) of the respondents are male respondents and (21.22%) are female respondents. Overall scientists are 245(59.76%) and 165(4.24%) are technical staff. And found that 98(23.90%) of the respondents are expressed their opinion that they visit library for ‘digital library’ and for technical reports.'