My son, 39, works for a software company. His wife is 37.They have a four-year old daughter. Although they earn well, my son shows no interest in deploying the surplus. His SB account balance is around ₹50 lakh. Since he is keen to send his daughter to the US for graduation studies, he may need more money. How do I get him to invest surplus income?KannanThe concern you show is warranted. Given th...