Q- 2% BTT tax will be deducted, when our Indian capitalist will invest in any other country ?

Every thing is perfect but only 1 question arise in my mind & that is
Q- 2% BTT tax will be deducted from the account of drawee in this case when our Indian capitalist will invest in any other country of the world then they will act as payee & drawee will not be under our BTT so our currency will be share to other country but we wount get any benefit out of it whereas it will be a loss for us as our currency is getting away ... i expect answer as i want this arthkranti to be implimented in my beloved country ..