Hello,
Yes BCA students are also eligible for writing UPSC EXAM. 
Yes you can also give SSC exam.

For the IAS, IFS & IPS, a candidate must be a citizen of India.

For the IRS and other services, a candidate must be one of the following:

A citizen of India

a person of Indian origin who has migrated from Pakistan, Myanmar, Sri Lanka, Kenya, Uganda, Tanzania, Zambia, Malawi, Zaire, Ethiopia or Vietnam with the intention of permanently settling in India

UPSC ELIGIBILITY

All candidates must have as a minimum one of the following educational qualifications:

A degree from a Central, State or Deemed university

A degree received through correspondence or distance education

A degree from an open university

A qualification recognized by the Government of India as being equivalent to one of the above.

Cheers !!

Hello
The answer is yes. You are eligible.


ELIGIBILITY :

* Candidate should be citizen of India.

* Candidate must have complete their Graduation degree from any recognized University.

* Minimum age limit is 21 years and Maximum age limit is 30 years.

* Both male and female are eligible for this post.

* The candidate should be Physically and Mentally fit for the post.

For more information check the link given below.
http://upsc.gov.in

I wish you all the best.

Cheers !!

Yes, any graduate can appear in UPSC and SSC exam.

Yes you are eligible.

You can check the eligibility criteria below for the same:

 

UPSC eligibility

SSC eligibility

Hope this helps.

Kindly go through the below provided links to know about the eligibility criteria in detail -

UPSC Civil Services Eligibility Criteria 2017

SSC CGL Eligibility Criteria 2017

Hope this helps!!!

UPSC Civil Services Exam

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Staff Selection Commission Combined Graduate Level Exam

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