speed problem in BARC and ISRO
some more important point below
Stick to your exam strategy.
Read the question carefully.
Attempt easier questions first.
Decide quickly whether you can answer the question or not.
Find answer by eliminating the options.
Use intelligent guessing if required.
Try to avoid answering questions at the last minute.
Learn shortcuts to solve MCQs.
Analyse your mock tests.
Make a notebook containing your mistakes.
Understand concepts well and practice problems.