| Sr.No | Semester | Details | Download |
| 1 | 4 | Nitrogen Cycle | https://youtu.be/LbBgPekjiyc |
| 2 | 4 | Sulfur Cycle | https://youtu.be/5AZZwBNCYOo |
| 3 | 4 | Carbon Cycle | https://youtu.be/OoVeQmcq6ow |
| 4 | 4 | Pickels | https://youtu.be/QH90tNzt-vg |
| 5 | 4 | SAUERKRAUT | https://youtu.be/ofZ2xyve1cU |
| 6 | 4 | SILAGE | https://youtu.be/I05psFl1rOs |
| 7 | 4 | Sausages | https://youtu.be/CKHJ-4coqJo |
| 8 | 4 | Bread | https://youtu.be/g-U-BHB-mrM |
| 9 | 4 | Single Cell Protein | https://youtu.be/2yZRNY6RgU0 |
| 10 | 4 | Cheese | https://youtu.be/mSJ8LGD_uXI |
| 11 | 4 | Yogurt | https://youtu.be/xHTJCY6oVlE |
| 12 | 4 | Kefir | https://youtu.be/9Qob--xV43Q |
| 13 | 4 | Purification of Water | https://youtu.be/c40yPpQG8e0 |
| 14 | 4 | Waste Water Treatment | https://youtu.be/FvPakzqM3h8 |
| 15 | 4 | Bio-leaching | https://youtu.be/0CbO4McmNZY |
| 16 | 4 | Bio magnification | https://youtu.be/85I7oPWUuak |
| 17 | 4 | Bio fuel | https://youtu.be/OJw6WFkTPZo |
| 18 | 4 | Bio plastic | https://youtu.be/HulUbJA2iSw |
| 19 | 4 | Bio fertilizer | https://youtu.be/ftWTn0rDEWs |
