Hello Abhishek Singh,

I would like to tell you that yes, you may get/lose marks according to your reputation with yout teachers so be obidient and attend all practicals.

Some tips to do well in the practicals are :

The best way to do well in the practical exam is to practice. Try to perform the experiments without seeing any manual before the examination. Write down all the steps you performed clearly. The result need not be accurate. There will be a margin of error allowed while evaluating the answers. Lastly, don’t panic, the exam will go smoother when you are calm.

Hope this helps and all the best!