BCA Scope

I think Mumbai will be costly for you. You can think of pursuing BCA from Nagpur. You can get admission easily with good practical and state of the art teaching facilities.

Hi Rohan, please mention your stream without which relevant options cannot be provided.

For graduates, job opportunities exist in government as well well as private sector. Also, self-employment options are available. After BCA, which is an Undergraduate course, graduates may take up government jobs that require a graduation degree (for example- Armed Forces, nationalised banks, PSUs etc).
When it comes to the private sector, software MNCs are the prime recruiters. Web hosting, IT sector, Electronics Industry are some other sectors that recruit BCA graduates.

B.Sc in CS has a good scope, but that does not matter
as you need to select a stream based on your interest and be successful in life.

Go for MCA. Master's degree provides more job opportunities.

MBA is the best one. Already you have technical knowledge of IT. So, instead of doing MCA if you do MBA it will add more to your career. MBA is all about business and how to look after a business. Almost all IT firms nowadays are looking for technical + Management knowledge. So, it is better pursue MBA Instead of MCA or LLB.

http://www.naukrihub.com/freshers/salary-of-various-jobs-after-bca.html
Please click on the above link to get information about career and jobs after BCA.