BBA

For science students, your preference should as:
1. BCA.
2. BBA.
Both are the UG courses and offer good job opportunities in government and private sector. BCA will again insist you to pursue MCA to get decent jobs. But, as a BBA graduate you can directly prepare for government jobs as bank PO, SSC, etc.

I think you should search a job now so that you become self-independent and will also have some experience and then go for MBA, it will add more value to your degree.

Well good, It is doing equally when compare to other b-schools in the city.

BBA is a job oriented degree. You can get supervisory or junior managerial role in various industries in different management functions after BBA. You can get salary between Rs. 2.5 to 8 Lakhs per annum depending on your performance and brand name of institute from where you do BBA. For career advancement you will have to do MBA.

If difficulty level of EEngineering is 10 then BBA'S difficulty level is below 5. BBA is quite easy in comparison to engineering graduation degree.

MBA from any of the top 30 Indian B-Schools by appearing in CAT and XAT is the best option for you.

BBA is a professional degree course which will help you to seek supervisory or junior managerial roles in various industries in different management functions such as Marketing, HR , IT , Finance, etc. Career opportunities after BBA are better in comparison of BA.

No, you don't need to have any work experience in order to pursue MBA in UK.

Dear Sachin,
It depends on the rank you scored in the entrance. if you have attended the counselling, you will definitely get a college based on your rank.
All the best.