Free Digital E-Books & Open Educational Repositories

Access thousands of free technical textbooks, vocational study materials, reference books, and academic open-access digital repositories curated for polytechnic diploma students.

# Source / Repository Subject Coverage / Disciplines Visit / Access Link
1 NIMI Online Learning Automobile, Electronics, Food Processing, Production and Manufacturing, Construction Technology Vocational Reading Materials
2 NIOS Online Course Materials Welding Technology, Four Wheeler Engine Mechanism, Metal Fabrication, Airconditioning Vocational Reading Materials
3 CBSE E-Learning Food Processing, Computer Science, Entrepreneurship, Food Services, Foundry Technology, Horticulture Vocational Reading Materials
4 NCERT E-Books Mathematics, Physics, Computer Science, Vocational Subjects NCERT Digital E-Books
5 IGNOU Study Materials Management, Computer Science, Information Technology, Social Science UG & PG Course Materials
6 Free Technical Books Computer Science, Information Technology, Mathematics, Programming 1,211+ E-Books & Notes
7 DOAB (Directory of Open Access Books) Technology & Engineering, Physical Sciences, General Engineering 13,400+ Books & Chapters
8 Math World (Wolfram) Applied Mathematics, Engineering Mathematics, Statistics 13,660+ Math Resources
9 PDF Drive E-Books Collection Science & Technology, Novel, Fiction, Personality Development, Health, Literature, Biography 59.6M+ E-Books Archive
10 Read Print Library Essays, Fiction, Plays, Poetry, Short Stories, Classic Literature 1,000+ Classic E-Books
11 Medical & Health Science Books Medical Science, Public Health, Pharmacy, Bio-Engineering 370+ Books & 3000 Journals
12 Wikibooks Computer Science, Engineering, Mathematics, Social Sciences, Humanities 3,030+ Open Textbooks
13 NSQF Haryana E-Books Automobile, Welding Technology, Banking, Information Technology, Health Care NSQF Haryana Drive Folder
14 Project Gutenberg USA Languages, Science & Technology, Social Science, World Literature 57,000+ Free E-Books
15 GetFreeEBooks Languages, Science & Technology, Social Science, Humanities Rich E-Books Collection
16 E-Books Read Library Languages, Science & Technology, Social Science, Humanities 333,950+ E-Books
17 Free-EBooks.Net Academic, Fiction, Poetry, Textbooks, Reference Books Academic & Reference
18 Gandhi Heritage Portal Biography, Historical Literature, Key Writings & Speeches of Mahatma Gandhi Gandhi Heritage Archive