Hey there I am glad to help you out, i hope this helps you

If you're 16 and need an OBC NCL certificate for central-level competitive exams where the minimum age for applying for the certificate is 18, here are a few steps you can take:

1. Contact the Exam Authority:

- Inquire About Exceptions: Contact the admissions or examination department of the central government agency conducting the exam. Explain your situation and ask if there are any provisions for minors. They might provide alternative solutions or accept documents under special conditions.

2. Obtain the Certificate Through Your Parent(s):

- Father’s or Mother’s Certificate: If your parent is an OBC, you can obtain a certificate from the competent authority on their behalf. Some competitive exams may accept this certificate as long as it is issued by a valid authority and meets their requirements.

3. Seek Special Provisions from State Authorities:

- Request for Special Consideration:** In some cases, state authorities may provide a certificate under special circumstances or for specific purposes like educational or competitive exams. Reach out to the state welfare department or the office issuing the certificates and explain your need for the certificate at a younger age.