Hello Indira,

The eligibility criteria for SSC CGL is that a candidate must have passed bachelor's degree from a recognised board. For Junior statistical officer post and candidate must have passed bachelor's degree with 60% in mathematics from a recognised or must have studied statistics subject in Bachelor's degree.
For any other post bachelor's degree is required.
If you have fulfilled the above eligibility criteria then you are eligible.
Other desired qualifications to be eligible are Chartered accountant/ CS/ MBA/ cost and management accountant/Masters in commerce/Masters in business studies are required.