Dear Student.

To apply for SSC CHSL, a candidate must be either:

(a) a citizen of India, or

(b) a subject of Nepal, or

(c) a subject of Bhutan, or
(d) a Tibetan refugee who came over to India, before the 1st January,1962, with the intention of permanently settling in India, or
(e) a person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka, East African countries of Kenya, Uganda, the United Republic of Tanzania (Formerly Tanganyika and Zanzibar), Zambia, Malawi, Zaire, Ethiopia and Vietnam with the intention of permanently settling in India.

2. Age Limit: Candidates age should be 18-27 years as on 01.08.2018 (Candidates born not before 02-08-1991 and not later than 01-08-2000).

3. Educational Qualification:
i. Must have passed 12th Standard or equivalent examination from a recognized Board or University.
ii. For Data Entry Operator in the Office of Comptroller and Auditor General of India (C&AG): 12th Standard pass in Science stream with Mathematics as a subject from a recognized Board or equivalent.

So, you should first complete your 12th before applying for it.