hi,
see it depends on you and your interest for area of work, however if you want to work in office or corporate sectors like mncs, or need to work as an office assistant in private ,or government sector, you should go for diploma in computer application, which has courses on ms office, ms excel, typing, report making etc, however if you want to work in chemistry related discipline, you may go for vocational courses on health science related course on medical technician.
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