Co-operative Lending Library, popularly well known as C.L.L., is Text-Book based library which is, popular library among students of Lucknow University. The library Strengthen the roots of student. Co-operative Lending Library was launched in the academic session 1966-1967 by the State Government to lend books to economically Under privileged Graduate and Post Graduate students for the whole session to be restored only after their examination are over. The library which issues books to students for two semesters against a nominal fee of Rs. 250. There is a provision to keep the books till the exams. The library promotes the students and faculty to donate their academic books to the library from time to time, promoting its cooperative spirit.