Yes, you have to pay TCS (tax collected at source) for all remittances above the amount of INR 7 lakhs. The rate of TCS is 5% of all amounts over and above INR 7 lakhs per year. The bank will deduct this tax before remitting the fund abroad.
If education loan is availed then TCP of 0.5% applicable.
No - GST will not be applicable on the tax collected at source (TCS). Though, GST will be charged on when you convert the currency and use a remittance service for its usage.
For remittances that carry the purpose of overseas education, TCS will apply at a rate of 0.5%, only in the case if the amount remitted is originating through a loan from a financial institution.
The total amount is INR 12 lacs. TCS at 0.5% will be applicable on INR 5 lakhs (Amount after INR 7 lakhs is taken into account) & tax collected in this case will be Rs. 2,500.
A 5% TCS will be applied on remittances crossing INR 7 lakhs in a financial year under LRS.