Query relating to tax

Hi Experts,

I have One Doubt

CA Club India is providing Online classes for various courses.

For Providing Online Classes, what type of taxes applicable. How to applicable. How to calculate 

Please provide some information 

01. Total Online Coaching  Fees received per annum 1 Crore rupees (before payment to the tutor)

02. Tutors Fee : 45% (i.e 45 Lakhs)

In the above cases, How to calculate Service taxes 

Another Query

Online classes are providing. I think just it is a type of selling 

For online Classes, subscripttions are done throghout the country.

How will deduct the Tax ? ( VAT or CST) 

Please clarify my points 

I will be thankful 

raju