TIER 4 consists of CPT (Computer proficiency test) / DEST (Data Entry Skill Test) & DV(Document Verification).
TIER 4 is qualifying in nature.
CPT is for the post of ASO in CSS & MEA whereas DEST is for the post of Tax assistant in CBDT & CBEC.
Computer Proficiency Test(CPT)
It tests the computer knowledge of the candidates.
Word (2000 key depressions in 15 minutes)
Candidates are given a printed english passage that has to be typed in the computer. It is not exactly Microsoft Word but their own software. No formatting(bold, italics etc) is needed. Only typing has to be done. One has to type 2000 characters(depressions) in 15minutes. This will not be a big deal if you practice on your computer. Microsoft Word can count characters as well, so you can create your test by typing in a newspaper article of approximately 2000 characters in 15minutes. This is checked against how many mistakes you make in typing. Only a certain percent of mistakes are allowed.
Excel (15 minutes)
Candidates are required to work on Microsoft Excel software and create a spreadsheet as they provide in a printed sheet. Some things will have to be calculated using formulas of MS Excel like profits, percentages etc.. Only simple formulas are needed but one must have a basic understanding of MS Excel here. Time of 15minutes will be given.
Powerpoint (15 minutes)
A printed sheet showing a print-out of a single slide will be given. Candidates will have to create a slide similar to the one given in Microsoft Powerpoint. Knowledge of header, footer, inserting date/time and file address will be required. Time of 15minutes will be given.
Data Entry Skill Test(DEST)
Word (2000 key depressions in 15 minutes) This is similar to CPT