This paper describes the usability of OPAC searching facility in the university libraries of Haryana. The study revealed that 86.0% of the users were aware of OPAC services in MDU, while 89.7% of the users were aware of OPAC service in CUH. In MDU, the maximum of 52.4% users used the OPAC system daily, while in CUH, the maximum of 32.0% users used the OPAC system biweekly. In MDU, the maximum of 34.2% users searched the information through OPAC, while in CUH, the maximum of 36.9% users searched the information by direct browsing. In MDU, the maximum of 60.2% users always obtained the documents through OPAC, while in CUH, the maximum of 43.9% of the users most of the times obtained the documents through OPAC. In MDU, the maximum of 26.9% users faced problems of lack of staff assistance, while in CUH, the maximum of 23.6% users faced problems of lack of staff assistance. The maximum of 49.9 and 37.8% users were satisfied with the present OPAC facilities in both the university libraries of MDU and CUH, respectively
