not recieved the call letter

Location/place: jammu

Name of company/service: upsc exams

Sir,
I have cleared NDA & NA (I) exam held on 18th april conducted by upsc with my roll no 021428 and it’s result has also been declared about a month ago but i have not recieved the call letter for SSB yet. All my mates have recieved the call letter but it’s only me who has not recieved it yet.i want u to take an appropriate step in this regard .
Address-: 311, lakhdatta street, jammu
phone no: 9419115490
please make it as early as possible as the SSB process has already been started