| Sl.No. | Unit / Block | Link |
| 1 | IGNOU UNIT 01 (Recurrences Relations) Study Material 2026 | Download |
| 2 | IGNOU UNIT 02 (Generating Functions) Study Material 2026 | Download |
| 3 | IGNOU UNIT 03 (Solving Recurrences) Study Material 2026 | Download |
| 4 | IGNOU UNIT 01 (Basic Properties of Graphs) Study Material 2026 | Download |
| 5 | IGNOU UNIT 02 (Connectedness) Study Material 2026 | Download |
| 6 | IGNOU UNIT 03 (Eulerian and Hamiltonian Graphs) Study Material 2026 | Download |
| 7 | IGNOU UNIT 04 (Graph Colourings) Study Material 2026 | Download |