Dear Student 

Candidate must be familiar with basic operaIf you have studied computer as a subject in school(higher secondary)/(engg college (1st /2nd semesters)., it is a proof that you have computer knowledge ., you can show the subjects in your marksheet if needed .,

if you have not done the above ., join a computer course certification institute .; finish a course which has basics such as MS word.,PowerPoint., Excel ., etction of computer .

All the best!!!