| Class 1 (INTRODUCTION,1.1) | Download | |
| Class 2 (1.1,2) | Download | |
| Class 3 (1.3 TO 6) | Download | |
| Class 4 (1.7 TO 9) | Download | |
| Class 5 (1. 9 TO 12) | Download | |
| Class 6 (1. 13 TO 16) | Download | |
| Class 7 (2.1 TO 4) | Download | |
| Class 8 (2.5 TO 7) | Download | |
| Class 9 (2.8 TO 10) | Download | |
| Class 10 (2.11 TO 13) | Download | |
| Class 11 (3.1 TO 3) | Download | |
| Class 12 (3.4 TO 7) | Download | |
| Class 13 (3.8 TO 12) | Download | |
| Class 14 (4.1 TO 3) | Download | |
| Class 15 (4.4 TO 7) | Download | |
| Class 16 (4.8 TO 11) | Download | |
| Class 17 (5.1 TO 3) | Download | |
| Class 18 (5.4 TO 8) | Download | |
| Class 19 (6.1 TO 5) | Download | |
| Class 20 (6.6 TO 8) | Download | |
| Class 21 (SUMMARY) | Download | |
