This qn is for my friend. Her husband died recently. He worked in central govt service. in his PF nomination, the nominee was his mother. Her mother got around 20 lakh of PF amount. He has a wife & 2 children. unfortunately he never changed the nomination paper after marriage. Now his mother is not at all willing to give single paise to his wife & children. what can his wife & children do further for getting the money? pl advice.