Not received pension after my father's death

My father army no.2988553Y UNIT 24 mech inf (20 rajput)(recce&sp)(tr)co 56 apo Name -late Angad singh shekhawat date of enrolment-13-jan-1988 date of disharge-20-nov-1993 total service-5 year-231 days cause of disch. -locally disch from service under army rule 13(2)A being mad cat lowar then AYE MED Cat at the time of discharge-BEE_(PARMANENT) mere papa ka 20 year treatment chala sms hospital jaipur phir mere papa expire ho gaye hame kuch nahi pata tha ki kya karna h LAST month mari mummy ka army widow card aaya tha ki unhe army ne widow man liya h phir aaj tak penson kyo nahi mili h