As you mentioned that you want to enquire about registering after 2nd pu results.
Students unsatisfied with the PUC 2nd results 2020 can apply for the revaluation and retotalling of marks obtained in 2nd PUC. Students can apply for obtaining the scanned copies of PUC 2nd answer sheets till July 30. The revaluation and retotalling application window will start between August 4 and August 10
Hope this helps