Hey friends, I am ajay. Please let me know How to apply for a credit card in Central Bank of India?

For getting a credit card of Central Bank of India, you will have to go to the official site of the Central Bank Of India.
Then there will be a section named Cards on the bar. Take your cursor on it and select application form download from it. I have enclosed the pdf below.
You must have the following with you in order to issue a credit card for you.

1 Proof (Passport / Voter ID / Driving License / PAN / UID, etc.)
2) Address Proof (Ration Card / Passport /Driving License / Copy of electricity bill or telephone bill showing residential address / Any documents or communication issued by any authority of the Central Government, State Government or local bodies showing residential address / Any other documentary evidence in support of his address given in the declaration)
3) Pan Card
4) Income Proof - IT Return/Form No.16/Pay slip etc. (Optional in case of Aspire Credit Card)
5) Statement of Bank A/c. for 3 months.
6) Copy of term deposit(s) with lien mark in case of Aspire Credit Card.

Credit Card Application Form