Unfortunately day by day we are having same western culture and going far away from our own people. As you said no doubt it is first responsibility of his own family members to take care of him but if they are not taking care of him then it’s upon other relatives to look after him. One thing we should keep in our mind that when people are strong and young and giving their services to the society but when they become old not it’s every bodies responsibility to take care of him as he has done his job when he was able. Any way it has very big reward if anyone is taking care of such person in society.