It is very good new that you’r opening a business and you want a shop license & Vat License.
In this regard you should get the Shop License at Local Muncipal Corporation and also filed the Simple Form and deposit the Fee regarding said license ( Approx Rs. 5000/- in U.P.)
You have need to the Vat Registration that is a simple application and their fees in the Commercial Department
Vat registration is two types i.e. State Registration and Inter-State Registration
One thing also that I don’t know about RC and EC
Further, it is requested to you if any queries in this regard plz forward the same.