The basic qualification to apply for SSC CHSL Examination is 12 th passe and also you need to clear the computer proficiency test which include typing test to check your speed. Computer Test are usually qualifying in Nature. If you have studied computer as a subject in your 10 th or 12 th class then it is perfectly fine. There is no need to do any additional course in this subject. But if you have not done any computer course yet, better to join 6 months computer diploma courses in your locality. Start preparing for SSC CHSL 2020 .
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All the very Best !