While solving the mock questions(QA) the ones which i got wrong or unattempted should I do them until I solve them by my self - assuming that I know the concept but not getting how to start - or i give a time limit in thinking for the approach and see the solution immediately

Hi Varshith Yelleti,
When attempting a mock or sectional, don't put in much time for such questions. When analysing the mock/sectional and going through all the unattempted questions, try to solve them if you know the procedure. If you are not getting any idea or don't know where to start, you can check the solution and bookmark the question for future reference. Go through the questions you bookmarked before attempting next mock/sectional.
Hope this helps!