Hii Sunil, the Bihar polytechnic exam DCECE will be held in 2nd week of June. The registrations will start in April and the last date of payment will be in the last week of April. You will be able to correct your form from the 1st week of May and your admit cards will be released in the last week of May.The result will be out in the 4th week of July. The exact date of registration has not been announced yet.

I hope this would have helped you. All the best!