At Government Polytechnic, Sitamarhi We have a excellent infrastructure of computer lab. Our computer labs are fully air-conditioning. All our computers in lab is connected to local area network. our computer lab has projector facility as well so that our teacher can explain better about computer programs and all to students and students can also have a better understanding. As computers are connected to local area network it is easy for students to communicate files on one computer to another. It also has a server where all the necessary data are kept. It has online ups power backup to provide uninterruption from power. All our computers are good configuration. We also have language lab for skill development of students. Through this student can improve their language skill by this lab.