Anyone who passed the 12th standard or an equivalent examination from a recognized university or board are eligible for SSC chsl exam without any doubt and he or she must be age between 17 to 27.

basically its a lower division clerk exam under group d posts like Data Entry Operator (DEO) Grade 'A', DEO Grade 'B', Postal Assistant (PA)/Sorting Assistant (SA), Lower Division Clerk (LDC)/Junior Secretariat.