Justice in Father's Settlement Amount

Dear Sir/Madam, Need Advice on below case: Father use to work in KPCL and he died due to illness before one year of retirement in the year December 2010. The family consists of two male children and mother. At the time of December 2010 the total settlement amount received by the family was Rs.25,00,000/- (25 Lacs). Elder Son took the Govt. Job of Father. Younger son works in Private Company. Mother is house widow and getting pension of Rs. 3,00,000/- per year and mother is going to stay with Elder Son. How the settlement should happen amongst them. Example One: Elder Son got Govt. Job so full amount of 25 Lac to be given to younger son and pension to be divided 50-50 between two brothers Example Two: Elder Son got Govt. Job so out of 25 lac, 20 lac to be given to younger son and 5 lac deposited on mother name as security and pension to be divided 50-50 between two brothers. Post demise of mother deposited 5 lac with interest to go to younger son either full amount or Example Three: Continuing example two, the 5 lac plus interest to be divided 50-50 between brothers Example Four: Elder Son got Govt. Job so full amount of 25 Lac to be given to younger son and pension to be divided in three parts between all the three Please advise how the settlement should happen. Additional Facts: Ancestral Property of 5 acre land and home built by home equally divided among two sons post demise of Mother, till then the mentioned property is in Mother name.