I have zero knowledge in Visual Basic. I want to build a simple internet billing calculator.
The following information should be there in the program...

1) Internet Charge for 30 minutes = Rs. 10
2) Internet Charge for 60 minutes = Rs. 20
3) Minimum Internet Charge = Rs. 10

I have 6 machines... so

It should have 6 boxes with login and logout time with a total amount box

Can it be added to a ms access database file to store the daily entries with date

That's not a lot of information to go on. If you have a log in button created, you can assign a variable a time. And then log off again, assign a time. Then with math you can figure out how long a person was on, and do simple if statements to establish which "time price" to apply. Each computer could have an id, so you can tell what machine was on for how long etc.

In regards to access database, the answer is most certainly yes. But you will have to create a database with tables and have sql enter the info into the database. That's beyond the scope of this question. But it is possible.