10th class mark sheet and certificate is mandatory for admission into Polytechnic.

If you have passed 12th class, then you have to submit 12th class mark sheet and certificate also. This, along with your class 10th marks, plays a vital role in the admission process.

At the time of counselling, you need to submit both 10th and 12th documents.

If you are taking admission through any entrance exam, then you have to submit the admit card and rank card of the exam along with 10th and 12th class documents.

So, if you want to take admission in Polytechnic, you should keep ready the documents of both 10th and 12th class.