Income tax return death person

Mr. XYZ Person Filed Return 2013-14 he There After Non- Filing of Income Tax Return His Death 2018 he Can Filed Return 14-15 , 15-16, 16-17, 17-18, 18-19 Which Section Legal Ground Knowledge As Income Tax Act 1961. He Can Filed Sue Again Party Motor Vehicles Act 1988 compensation Are and Please Give me Composition Rules